<> /rgid (PB:273369208_AS:286305465454593@1445271950970) Diet / Feeding. 865 0 R 866 0 R 867 0 R 868 0 R 869 0 R 870 0 R 871 0 R 872 0 R 873 0 R 874 0 R 481 0 R 482 0 R 483 0 R 484 0 R 485 0 R 486 0 R 487 0 R 488 0 R 489 0 R 490 0 R >> /MediaBox [0.0 0.0 595.276 793.701] And more and more, increasing numbers of Bald Eagles are making meals of the auklets. First breeds at age of 3 years or older. Their diet consists primarily of small fish, but they may also dine on crustaceans and cephalopods (squid). << 5 0 obj 521 0 R 522 0 R 523 0 R 524 0 R 525 0 R 526 0 R 527 0 R 528 0 R 529 0 R 530 0 R 785 0 R 786 0 R 787 0 R 788 0 R 789 0 R 790 0 R 791 0 R 792 0 R 793 0 R 794 0 R >> We hypothesized that rhinoceros auklet diet would shift seasonally and inter-annually. Along the west coast of North America, Common Murres (Uria aalge, hereafter “murres“) and Rhinoceros Auklets (Cerorhinca monocerata, hereafter “auklets“) have widely overlapping breeding ranges.During the breeding season, they also have similar diets at breeding colonies and at sea in Washington and British Columbia (Richardson 1961, Sealy 1973, Leschner 1976, Wilson and Manuwal … Generally speaking, the rhinoceros auklet occupies burrows in the sloping sides of the island from the shore line to a height of from 400 to 500 feet, their number and distribution depending upon the nature of the soil and the character of the surrounding vegetation. To catch their prey, they dive as deep as 57 meters (187 ft) for as long as 148 seconds. /B [260 0 R 261 0 R] /Resources 169 0 R The squat, grayish Rhinoceros Auklet is a close relative of puffins, although it doesn't sport quite such a fancy bill. /Rotate 0 /ElsevierWebPDFSpecifications (6.4) stream /Contents 429 0 R Prince 12.5 (www.princexml.com) /Contents 281 0 R In breeding plumage, the Rhinoceros Auklet has a bright orange-yellow bill adorned with a whitish horn. Crustaceans and cephalopods are also taken. /Type /Page It prefers nesting sites on slight inclines to aid take-off, as it is a poor flier. /Count 11 >> 2021-02-03T21:06:25-08:00 endobj /Contents 713 0 R But they can only eat what the sea gives them. May concentrate on copepods in summer, euphausiids in winter. <> 10 0 obj 691 0 R 692 0 R 693 0 R 694 0 R 695 0 R 696 0 R 697 0 R 698 0 R 699 0 R 700 0 R /Resources 882 0 R /Annots [110 0 R 111 0 R 112 0 R 113 0 R 114 0 R 115 0 R 116 0 R 117 0 R 118 0 R 119 0 R <>stream endobj /MediaBox [0.0 0.0 595.276 793.701] 438 0 obj These seabirds are fairly common along the Pacific Coast of North America, … <>stream Diet in the Wild: Pacific sand lance, smelt, herring, anchovies, rockfish, and crustaceans The observed variability in Rhinoceros Auklet diet underscores the importance of managing multiple prey populations in this system so that generalist predators have sufficient resources through changing conditions. /Resources 714 0 R Ryan David Carle Rhinoceros Auklet chick diet, chick-rearing isotopes, and prey isotopes To obtain isotope values for prey and quantify a sex-specificmetric of chick provisioning, we caught provisioning adults in mist nets and collected dropped prey items during June–July of each year. /CreationDate (D:20160821203724) /ModDate (D:20151019092530-07'00') They feed inshore during the breeding season in the midwater. 815 0 R 816 0 R 817 0 R 818 0 R 819 0 R 820 0 R 821 0 R 822 0 R 823 0 R 824 0 R /Annots [431 0 R 432 0 R 433 0 R 434 0 R 435 0 R 436 0 R 437 0 R 438 0 R 439 0 R 440 0 R /��^I\�j��^�C�!���M��>�|���*z�66)r{�WX�6���t6�B2�S����f}�m)No�a$�As8*MҕS��d�"���Q��=¼�mݩ�L�9�AP��G��5m�-N��ƹ��U�g���V�������a�xʿc�&�_�Ƙ�bZ���p�?�h��z�2)acr����`#S7r�f�t:m3R�A���q3��������%�΅�v�>���т�̢�ik�Z�x������l�6�DX����x��5�U�D�D���G�H"����rE;.='��=���h4��=ς"�Й�e|�r��NAt��z$�>���ha���������RHNH��G��s��A��Fn�"�ѯ�[:ɗ�Du��P@ �ŀ�!�;�Z�>m#B��Xj����'��p����yx ���;E|Dу�E̬�Ч���#կ! /Annots [264 0 R 265 0 R 266 0 R 267 0 R 268 0 R 269 0 R 270 0 R 271 0 R 272 0 R 273 0 R <>]/P 438 0 R/Pg 1169 0 R/S/Link>> >> >> 2.4. 461 0 R 462 0 R 463 0 R 464 0 R 465 0 R 466 0 R 467 0 R 468 0 R 469 0 R 470 0 R endobj AppendPDF Pro 6.3 Linux 64 bit Aug 30 2019 Library 15.0.4 417 0 R 418 0 R 419 0 R 420 0 R 421 0 R 422 0 R 423 0 R 424 0 R 425 0 R 426 0 R] Western Gull population was a lowest ever recorded in … Individual rhinoceros auklets did not specialize on select prey items but did specialize on 1 of 2 foraging sites, foraging either in coastal waters or the continental shelf. 765 0 R 766 0 R 767 0 R 768 0 R 769 0 R 770 0 R 771 0 R 772 0 R 773 0 R 774 0 R /Contents 881 0 R 160 0 R 161 0 R 162 0 R 163 0 R 164 0 R 165 0 R] 130 0 R 131 0 R 132 0 R 133 0 R 134 0 R 135 0 R 136 0 R 137 0 R 138 0 R 139 0 R /Rotate 0 /Type /Page 86 0 R 87 0 R 88 0 R 89 0 R 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R] endobj Breeds in colonies, not … /B [278 0 R 279 0 R 280 0 R] %PDF-1.7 %���� The Rhinoceros Auklet population on Protection Island is substantial, but still it faces significant challenges. 845 0 R 846 0 R 847 0 R 848 0 R 849 0 R 850 0 R 851 0 R 852 0 R 853 0 R 854 0 R 397 0 R 398 0 R 399 0 R 400 0 R 401 0 R 402 0 R 403 0 R 404 0 R 405 0 R 406 0 R /doi (10.1016/j.jmarsys.2014.08.020) << <> 210 0 R 211 0 R 212 0 R 213 0 R 214 0 R 215 0 R 216 0 R] 2013), potential seasonal and sex-specific differences in diet in this region remain unexamined. 1 /Rotate 0 Black-tailed deer are overgrazing the island, trampling the birds’ burrows and subjecting them to erosion. Version(1.1,(27(July(2016((Rhinoceros(Auklet(SalishSeaUnusual(Mortality(Event(2016(! Stable carbon (δ 13 C) and nitrogen (δ 15 N) isotopes were used to examine the influence of pre‐breeding diet composition on ornament size in the Rhinoceros Auklet Cerorhinca monocerata , a socially monogamous seabird that breeds in the North Pacific. /Annots [367 0 R 368 0 R 369 0 R 370 0 R 371 0 R 372 0 R 373 0 R 374 0 R 375 0 R 376 0 R /Parent 2 0 R /MediaBox [0.0 0.0 595.276 793.701] /CrossmarkDomainExclusive (true) /StructParents 1 Murres and auklets did not differ significantly (I) in their diet (between age classes or sexes of either species, or among years); (2) in mean lengths of Pacific herring (101 and 109 mm, respectively) and Pacific sand lance (82 and 86 mm) they consumed; or (3) in the mean depth (7—8 m) at which they were entangled in gill nets. Fish, crustaceans. /Rotate 0 /Parent 2 0 R /Parent 2 0 R Individual rhinoceros auklets did not specialize on select prey items but did specialize on 1 of 2 foraging sites, foraging either in coastal waters or the continental shelf. /Parent 2 0 R /robots (noindex) /Contents 365 0 R /Annots [170 0 R 171 0 R 172 0 R 173 0 R 174 0 R 175 0 R 176 0 R 177 0 R 178 0 R 179 0 R endobj /Annots [239 0 R 240 0 R 241 0 R 242 0 R 243 0 R 244 0 R 245 0 R 246 0 R 247 0 R 248 0 R 274 0 R 275 0 R 276 0 R 277 0 R] <>/Font<>>>/StructParents 58/Type/Page>> Appligent AppendPDF Pro 6.3 They are capable of diving below 100 feet, but mostly they forage at depths less than 30 feet. The Rhinoceros Auklet population on Protection Island is substantial, but still it faces significant challenges. >> /Rotate 0 /CropBox [0.0 0.0 595.276 793.701] /Type /Page Diet not well known, but includes many small crustaceans that occur in swarms (especially euphausiid shrimp and copepods), also probably small numbers of fish and squid. Food brought to nestlings is mostly small fish, particularly sand lance, herring, and anchovy, also rockfish, smelt, saury, and others. >> Seasonal and sex-specific diet in rhinoceros auklets /CropBox [0.0 0.0 595.276 793.701] << 377 0 R 378 0 R 379 0 R 380 0 R 381 0 R 382 0 R 383 0 R 384 0 R 385 0 R 386 0 R endobj << Rhinoceros Auklet chick diet, chick-rearing isotopes, and prey isotopes To obtain isotope values for prey and quantify a sex-specificmetric of chick provisioning, we caught provisioning adults in mist nets and collected dropped prey items during June–July of each year. /Annots [283 0 R 284 0 R 285 0 R 286 0 R 287 0 R 288 0 R 289 0 R 290 0 R 291 0 R 292 0 R The Rhinoceros Auklet can be recognized in the breeding season by its protruding horn at the base of its upper bill. /Resources 263 0 R endobj We deter-mined mass (±0.1 g using an electronic scale; Acculab EC-211, Data 531 0 R 532 0 R 533 0 R 534 0 R 535 0 R 536 0 R 537 0 R 538 0 R 539 0 R 540 0 R /Rotate 0 At sea Rhinoceros Auklets feed on fish, with some krill and squid taken also. 36 0 R 37 0 R 38 0 R 39 0 R 40 0 R 41 0 R 42 0 R 43 0 R 44 0 R 45 0 R /B [235 0 R 236 0 R] endobj << 66 0 R 67 0 R 68 0 R 69 0 R 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R /Parent 2 0 R 2 0 obj /B [878 0 R 879 0 R 880 0 R] At sea, rhinoceros auklets feed on fish, with some krill and squid taken also. MARK HIPFNER,2 T. KURT KYSER3 &D.RYANNORRIS 1Department of Integrative Biology, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada 2Centre for Wildlife Ecology, Simon Fraser University and the Canadian Wildlife … /Rotate 0 /StructParents 3 725 0 R 726 0 R 727 0 R 728 0 R 729 0 R 730 0 R 731 0 R 732 0 R 733 0 R 734 0 R endobj <> It also has two light feather tufts on each side of its head, going in a line back from the eye and the corner of the mouth. 441 0 R 442 0 R 443 0 R 444 0 R 445 0 R 446 0 R 447 0 R 448 0 R 449 0 R 450 0 R 46 0 R 47 0 R 48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R %PDF-1.4 /Contents 168 0 R << 1 0 obj A single egg is incubated by both parents for 45 days. The wings that serve rhinoceros auklets so well in the water are less suited for graceful flight—in fact, research suggests that these birds may prefer to nest on sites that are slanted toward the water for easier takeoff. 611 0 R 612 0 R 613 0 R 614 0 R 615 0 R 616 0 R 617 0 R 618 0 R 619 0 R 620 0 R Their diet of fish and squid varies depending on what is available, but may include juvenile rockfish, anchovy, herring, sand lance smelt, crustaceans, and squid. /CrossMarkDomains#5B1#5D (elsevier.com) endobj endobj endobj << /CrossmarkMajorVersionDate (2010-04-23) /Contents 237 0 R 323 0 R 324 0 R 325 0 R 326 0 R 327 0 R 328 0 R 329 0 R 330 0 R 331 0 R 332 0 R endobj /B [427 0 R 428 0 R] /CropBox [0.0 0.0 595.276 793.701] Rhinoceros Auklet diet in the alifornia urrent system. /Type /Catalog <> 5 0 obj 564 0 obj And more and more, increasing numbers of Bald Eagles are making meals of the auklets. 661 0 R 662 0 R 663 0 R 664 0 R 665 0 R 666 0 R 667 0 R 668 0 R 669 0 R 670 0 R Diet not well known, primarily small crustaceans including copepods, euphausiid shrimp, amphipods; also marine worms, mollusks. At sea Rhinoceros Auklets feed on fish, with some krill and squid taken also. %���� /StructParents 4 /Pages 2 0 R … The wings that serve rhinoceros auklets so well in the water are less suited for graceful flight—in fact, research suggests that these birds may prefer to nest … Still, its name refers to the single vertical horn that sticks up from its orange bill—an odd accessory that turns out to be fluorescent and may be used for visual communication. /MediaBox [0 0 596 794] 566 0 obj 200 0 R 201 0 R 202 0 R 203 0 R 204 0 R 205 0 R 206 0 R 207 0 R 208 0 R 209 0 R 259 0 R] Small crustaceans. >> /Resources 430 0 R << endobj application/pdf During the breeding season, they develop a pouch … 621 0 R 622 0 R 623 0 R 624 0 R 625 0 R 626 0 R 627 0 R 628 0 R 629 0 R 630 0 R During the breeding season, Rhinoceros Auklets feed mainly on … Specifically, rhinoceros auklet isotopes should reflect greater trophic level consumption (i.e. << <> Dietary Diet studies have shown that birds on Protection Island, which are more or less governed by the Salish Sea, eat predominantly sand lance, a slender forage fish, as well as some greenling and anchovy. [1168 0 R] 231 0 R 232 0 R 233 0 R 234 0 R] x��][���q~�_q��پ_� �V+�C c�C�cl�0f�ll ?_Uw��$�����H��-����Wu��������v���O�s������Ξ�|G��N����z���ww�����w���v�׻��Xw ����(�wr�ů����?���t�/w�&������qd� �����_?e.q빘��z,N��]89N�������#�Z�C=�~��ɭk�t�?�}�1����?����_h=�Y�O?���������܅s���h��v��3!z�x��{.�gB�����y"�qgg��%>��9�4��}4Sy0q��3������3:nu����3��J��PT��1��RG��>��~�#-���q�;����k�n��\3�.! 15 0 obj /Contents 262 0 R 3 0 obj endobj 601 0 R 602 0 R 603 0 R 604 0 R 605 0 R 606 0 R 607 0 R 608 0 R 609 0 R 610 0 R /CrossMarkDomains#5B2#5D (sciencedirect.com) This attractive seabird can be seen from the western end of the Aleutian Islands, all along the Pacific coastline, right into the California Baja coastline. /Type /Page Diet in the Wild: Pacific sand lance, smelt, herring, anchovies, rockfish, and crustaceans 631 0 R 632 0 R 633 0 R 634 0 R 635 0 R 636 0 R 637 0 R 638 0 R 639 0 R 640 0 R /Resources 16 0 R << 353 0 R 354 0 R 355 0 R 356 0 R 357 0 R 358 0 R 359 0 R 360 0 R 361 0 R 362 0 R] << /Resources 366 0 R 2021-02-03T21:06:25-08:00 <> 12 0 obj 875 0 R 876 0 R 877 0 R] /CropBox [0.0 0.0 595.276 793.701] /MediaBox [0.0 0.0 595.276 793.701] 190 0 R 191 0 R 192 0 R 193 0 R 194 0 R 195 0 R 196 0 R 197 0 R 198 0 R 199 0 R 591 0 R 592 0 R 593 0 R 594 0 R 595 0 R 596 0 R 597 0 R 598 0 R 599 0 R 600 0 R ... (1995-1998) we measured nestling development and diet … /Parent 2 0 R ��su���Pyޤ,#�du�i��9�c��Q����Q��s3�|N�����/��d�J%�K[�D����!���΍�dKq>:�x��ǯ��. Version(1.1,(27(July(2016((Rhinoceros(Auklet(SalishSeaUnusual(Mortality(Event(2016(! Rhinoceros Auklets eat primarily small, schooling fish or zooplankton, which they capture by diving and swimming underwater, using their wings for propulsion and feet for steering. >> /B [217 0 R 218 0 R] >> /Annots [26 0 R 27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 343 0 R 344 0 R 345 0 R 346 0 R 347 0 R 348 0 R 349 0 R 350 0 R 351 0 R 352 0 R /MediaBox [0.0 0.0 595.276 793.701] Small fish comprise most of the diet. /Rotate 0 /Resources 109 0 R δ15N values) during mid-summer when larger size-classes of <><>]/P 556 0 R/Pg 1166 0 R/S/Link>> 13 0 obj 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R 300 0 R 301 0 R 302 0 R >> Diet. endobj 120 0 R 121 0 R 122 0 R 123 0 R 124 0 R 125 0 R 126 0 R 127 0 R 128 0 R 129 0 R 4 0 obj >> 105 0 R 106 0 R 107 0 R] /Parent 2 0 R /Parent 2 0 R /Creator <>/Metadata 2 0 R/Outlines 5 0 R/Pages 3 0 R/StructTreeRoot 6 0 R/Type/Catalog/ViewerPreferences<>>> The squat, grayish Rhinoceros Auklet is a close relative of puffins, although it doesn't sport quite such a fancy bill. endobj /Type /Page 1087 0 obj This is done to aid in location of its mate at night. 681 0 R 682 0 R 683 0 R 684 0 R 685 0 R 686 0 R 687 0 R 688 0 R 689 0 R 690 0 R 511 0 R 512 0 R 513 0 R 514 0 R 515 0 R 516 0 R 517 0 R 518 0 R 519 0 R 520 0 R Pre-breeding diet influences ornament size in the Rhinoceros Auklet Cerorhinca monocerata MARJORIE C. SORENSEN, 1* J. /Annots [715 0 R 716 0 R 717 0 R 718 0 R 719 0 R 720 0 R 721 0 R 722 0 R 723 0 R 724 0 R 755 0 R 756 0 R 757 0 R 758 0 R 759 0 R 760 0 R 761 0 R 762 0 R 763 0 R 764 0 R The rhinoceros auklet nests in burrows dug into the soil, or in natural caves and cavities between 1 and 5 m deep. endobj endobj /Type /Page /Type /Page He says further, referring to their feeding habits and their long daily flights in search of food: endobj Rhinoceros Auklets eat primarily small, schooling fish or zooplankton, which they capture by diving and swimming underwater, using their wings for propulsion and feet for steering. It also has two light feather tufts on each side of its head, going in a line back from the eye and the corner of the mouth. 651 0 R 652 0 R 653 0 R 654 0 R 655 0 R 656 0 R 657 0 R 658 0 R 659 0 R 660 0 R /Rotate 0 1169 0 obj 701 0 R 702 0 R 703 0 R 704 0 R 705 0 R 706 0 R 707 0 R 708 0 R 709 0 R 710 0 R] /MediaBox [0.0 0.0 595.276 793.701] 501 0 R 502 0 R 503 0 R 504 0 R 505 0 R 506 0 R 507 0 R 508 0 R 509 0 R 510 0 R /CropBox [0.0 0.0 595.276 793.701] 150 0 R 151 0 R 152 0 R 153 0 R 154 0 R 155 0 R 156 0 R 157 0 R 158 0 R 159 0 R Diet. /Producer To catch their prey, they dive to as deep as 57 meters (187 ft) for as long … /Keywords (Cerorhinca monocerata; Isotopes; Foraging behavior; Marine birds; Forage fish; Pacific saury) uuid:0af12854-b078-11b2-0a00-b0644310ff7f 3 0 obj << /Resources 238 0 R 303 0 R 304 0 R 305 0 R 306 0 R 307 0 R 308 0 R 309 0 R 310 0 R 311 0 R 312 0 R Diet / Feeding. It is the only living species of the genus Cerorhinca. Nesting. ,:���#�X4�x3�*���d�S}��_��T��$��M���N��H�u���ӈϱ�����-�������Hzr�������O(�˕{�)��ר+�ܶ. Still, its name refers to the single vertical horn that sticks up from its orange bill—an odd accessory that turns out to be fluorescent and may be used for visual communication. 2021-02-03T21:06:25-08:00 140 0 R 141 0 R 142 0 R 143 0 R 144 0 R 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R 1086 0 obj 571 0 R 572 0 R 573 0 R 574 0 R 575 0 R 576 0 R 577 0 R 578 0 R 579 0 R 580 0 R Rhinoceros auklet isotope values underwent similar shifts in both years, which differed in environmental and prey conditions. /Contents 15 0 R /Parent 2 0 R ��l�:��Pַ^�v�p3� CB��y��7�,-����xo����,x�m+g76��p�2J����{ѥ""j8$��|����[Og��xĐx�����מW�'��W!4x׏ H��W[s�6~���#�#Ax��t&��4M�f6��t�>Ȣlim�G����=7 $%ٛ}�,����r�gg������b�S?�4y��-��U��Y�UO��ۯjn�����4��V�TktQV���N�-`�����v�&����^Mf����z�,v��Q?�|~�J�M^}J��J���l�&�Y���]���L�x�_MRž9l�fwg��g�9{��8�y�۵w>��1e��\��N�R),�u���mwO�;� �JtV��T9$��2�쉃�iF+,���g�C��L���9?�?�z{KI80>�%gK%_U'.LYQmq�y�*O�u��߳��Z�ϣ�b�?�G���K�P��g{�� OӉ�I#�����yڱ��.Kܢ�E?��2� 491 0 R 492 0 R 493 0 R 494 0 R 495 0 R 496 0 R 497 0 R 498 0 R 499 0 R 500 0 R 471 0 R 472 0 R 473 0 R 474 0 R 475 0 R 476 0 R 477 0 R 478 0 R 479 0 R 480 0 R /Type /Pages 735 0 R 736 0 R 737 0 R 738 0 R 739 0 R 740 0 R 741 0 R 742 0 R 743 0 R 744 0 R endobj Along the west coast of North America, Common Murres (Uria aalge, hereafter “murres“) and Rhinoceros Auklets (Cerorhinca monocerata, hereafter “auklets“) have widely overlapping breeding ranges.During the breeding season, they also have similar diets at breeding colonies and at sea in Washington and British Columbia (Richardson 1961, Sealy 1973, … 76 0 R 77 0 R 78 0 R 79 0 R 80 0 R 81 0 R 82 0 R 83 0 R 84 0 R 85 0 R 561 0 R 562 0 R 563 0 R 564 0 R 565 0 R 566 0 R 567 0 R 568 0 R 569 0 R 570 0 R endobj 9 0 obj /MediaBox [0.0 0.0 595.276 793.701] Murres and auklets did not differ significantly (I) in their diet (between age classes or sexes of either species, or among years); (2) in mean lengths of Pacific herring (101 and 109 mm, respectively) and Pacific sand lance (82 and 86 mm) they consumed; or (3) in the mean depth (7—8 m) at which they were entangled in gill nets. They are capable of diving below 100 feet, but mostly they forage at depths less than 30 feet. /Subject (Journal of Marine Systems, 146 \(2015\) 99-108. doi:10.1016/j.jmarsys.2014.08.020) endobj �ܶüě��z.PTW{�:�$��fb/����h�����;��W�y���Q=���A=���ȟn�U��3jZ7i�u��ر�|k�v�}wQ�E��M UpF U�VD�&.�X�}�`BR��hMt�?�&o�|���E��y������q����a!���щ�c�Q���tNy��Md��)��������Sx��(��t�B�}4U4/2tB�Y����IǞ\:n�Vk�6��9��b�$�3����c���M��MW��҇�uPgO��׭�����US-�����CMW9U4/��N�kP]�����쑒]҆O����A��cN��M�C��Au+�_�p[��"ƹ��{t=7�+ /ProcSet [/PDF /Text /ImageB /ImageC] Black-tailed deer are overgrazing the island, trampling the birds’ burrows and subjecting them to erosion. 795 0 R 796 0 R 797 0 R 798 0 R 799 0 R 800 0 R 801 0 R 802 0 R 803 0 R 804 0 R 2.4. 1171 0 obj Nesting. 745 0 R 746 0 R 747 0 R 748 0 R 749 0 R 750 0 R 751 0 R 752 0 R 753 0 R 754 0 R 180 0 R 181 0 R 182 0 R 183 0 R 184 0 R 185 0 R 186 0 R 187 0 R 188 0 R 189 0 R ����b-��[$�����H��\e3�v:� Q��k©V(�5����� ^�c��4�b�L�E3z�.T�,q*� Wq�L�+aL�:0!�-1��tp�k��l� /Length 883 0 R 313 0 R 314 0 R 315 0 R 316 0 R 317 0 R 318 0 R 319 0 R 320 0 R 321 0 R 322 0 R uuid:0af12853-b078-11b2-0a00-803220010000 >> /Annots [221 0 R 222 0 R 223 0 R 224 0 R 225 0 R 226 0 R 227 0 R 228 0 R 229 0 R 230 0 R endobj 565 0 obj '��Ӓ�6W���$}���&L��� /B [95 0 R 96 0 R 97 0 R 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R Reproductive success was near average or above average for all species except Black Oystercatchers. 6 0 obj 11 0 obj /Parent 2 0 R We used stable isotopes (δ15N and δ13C) and conventional chick-diet sampling methods to evaluate seasonal shifts in diets of adult male and female rhinoceros auklets (Cerorhinca monocerata) and prey provided to chicks by each sex in California during 2012-2013. /Rotate 0 �EHZF�M��{��< P.t�,��g�\�2Y:��7�wl�s�#B���ZB, Seasonal and sex-specific diet in rhinoceros auklets. _ Año Nuevo State Park Seabird Conservation & Habitat Restoration 2014 Report: Page 3 Data herein are unpublished and subject to revision, contact Oikonos before citing or distributing II. They feed inshore during the breeding season in the midwater. 551 0 R 552 0 R 553 0 R 554 0 R 555 0 R 556 0 R 557 0 R 558 0 R 559 0 R 560 0 R Evolution and prehistoric species They are skilled divers, using their wings to propel them underwater to 300 feet! 1170 0 obj We deter-mined mass (±0.1 g using an electronic scale; Acculab EC-211, Data /Type /Page 563 0 obj But they can only eat what the sea gives them. 775 0 R 776 0 R 777 0 R 778 0 R 779 0 R 780 0 R 781 0 R 782 0 R 783 0 R 784 0 R Their diet consists primarily of small fish, but they may also dine on crustaceans and cephalopods (squid). 407 0 R 408 0 R 409 0 R 410 0 R 411 0 R 412 0 R 413 0 R 414 0 R 415 0 R 416 0 R endobj << /CropBox [0.0 0.0 595.276 793.701] 8 0 obj /B [166 0 R 167 0 R] /Type /Page /Resources 220 0 R Data presented are the proportion by number of the most important prey items for each species. Favors fish that gathers in dense schools. /Contents 219 0 R endobj 835 0 R 836 0 R 837 0 R 838 0 R 839 0 R 840 0 R 841 0 R 842 0 R 843 0 R 844 0 R Who:(Rhinoceros!Auklet,!Cerorhinca*monocerata,!is!amedium4small! 671 0 R 672 0 R 673 0 R 674 0 R 675 0 R 676 0 R 677 0 R 678 0 R 679 0 R 680 0 R /Contents 108 0 R Diet. Their diet of fish and squid varies depending on what is available, but may include juvenile rockfish, anchovy, herring, sand lance smelt, crustaceans, and squid. /CropBox [0.0 0.0 595.276 793.701] /StructParents 2 1 0 obj The food of the rhinoceros aukiet, whether young or old, consists wholly of sand launces, according to the reports of the natives, and an examination of a few stomachs supports their claim. In breeding plumage, the Rhinoceros Auklet has a bright orange-yellow bill adorned with a whitish horn. Diet summary data for Cassin's Auklets, Common Murres, Pigeon Guillemots, and Rhinoceros Auklets from the Farallon Islands. Diet of adults probably similar. Diet. Mostly small crustaceans. >> /Resources 282 0 R 855 0 R 856 0 R 857 0 R 858 0 R 859 0 R 860 0 R 861 0 R 862 0 R 863 0 R 864 0 R 805 0 R 806 0 R 807 0 R 808 0 R 809 0 R 810 0 R 811 0 R 812 0 R 813 0 R 814 0 R Diet studies have shown that birds on Protection Island, which are more or less governed by the Salish Sea, eat predominantly sand lance, a slender forage fish, as well as some greenling and anchovy. /Filter /FlateDecode >> 641 0 R 642 0 R 643 0 R 644 0 R 645 0 R 646 0 R 647 0 R 648 0 R 649 0 R 650 0 R Dietary /CropBox [0.0 0.0 595.276 793.701] /Parent 2 0 R 333 0 R 334 0 R 335 0 R 336 0 R 337 0 R 338 0 R 339 0 R 340 0 R 341 0 R 342 0 R They are skilled divers, using their wings to propel them underwater to 300 feet! /B [363 0 R 364 0 R] 7 0 obj 14 0 R] /MediaBox [0.0 0.0 595.276 793.701] /CropBox [0.0 0.0 595.276 793.701] << 249 0 R 250 0 R 251 0 R 252 0 R 253 0 R 254 0 R 255 0 R 256 0 R 257 0 R 258 0 R 825 0 R 826 0 R 827 0 R 828 0 R 829 0 R 830 0 R 831 0 R 832 0 R 833 0 R 834 0 R The Rhinoceros Auklet gives a series of 7 to 12 mellow "moo" notes sound much like a cow when near the colony. 2 0 obj /Author (Ryan D. Carle) <> To catch their prey, they dive to as deep as 57 meters (187 ft) for as long as 148 seconds. /Title << /Kids [4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R /Rotate 0 endobj 6 0 obj Who:(Rhinoceros!Auklet,!Cerorhinca*monocerata,!is!amedium4small! 56 0 R 57 0 R 58 0 R 59 0 R 60 0 R 61 0 R 62 0 R 63 0 R 64 0 R 65 0 R 387 0 R 388 0 R 389 0 R 390 0 R 391 0 R 392 0 R 393 0 R 394 0 R 395 0 R 396 0 R /MediaBox [0.0 0.0 595.276 793.701] : >���r�f��>kkԕ꣩X����7U��gʖ�����T�������X�kx�J���=��c�[�k��mm�5��f�#���p�����?��S�8��dP���?��ǝ�3'��ʽ�gς0�t]�u��$��WU� 6[��ϴy���\u&�"���kL�~�.�:� /CropBox [0.0 0.0 595.276 793.701] Rhinoceros Auklet is also known as the Rhino Auklet, Horn-billed Puffin, or Unicorn Puffin. These seabirds are fairly common along the Pacific Coast of North America, … endstream 451 0 R 452 0 R 453 0 R 454 0 R 455 0 R 456 0 R 457 0 R 458 0 R 459 0 R 460 0 R /MediaBox [0.0 0.0 595.276 793.701] /B [711 0 R 712 0 R] 581 0 R 582 0 R 583 0 R 584 0 R 585 0 R 586 0 R 587 0 R 588 0 R 589 0 R 590 0 R 14 0 obj 541 0 R 542 0 R 543 0 R 544 0 R 545 0 R 546 0 R 547 0 R 548 0 R 549 0 R 550 0 R The rhinoceros auklet, Cerorhinca monocerata, inhabits temperate waters of the northern Pacific (Bertram et al., 1991; Ydenberg, 1989). Small fish and small ocean-going crustaceans (krill) make up most of the Cassin's Auklet's diet. They feed inshore during the breeding season in the midwater. Rhinoceros Auklet diet indicated an abundance of young-of-the-year Northern Anchovy in 2016. /Type /Page /Annots [17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R 24 0 R 25 0 R] endobj /Type /Page Black Oystercatchers 1 * J years or older it does n't sport quite such a fancy.. 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