DIET OF THE ATLANTIC PETREL PTERODROMA INCERTA DURING THE NON-BREEDING SEASON

被引：0

作者：

Perez, Martin S. ^{[1
,2
]}

Daudt, Nicholas W. ^{[3
,4
,5
]}

Tavares, Mauricio ^{[3
,6
,7
]}

Ott, Paulo H. ^{[2
,8
]}

Santos, Roberta A. ^{[9
]}

Fontana, Carla S. ^{[1
]}

机构：

[1] Pontificia Univ Catolica Rio Grande Sul PUCRS, Curso Posgrad Zool, Lab Ornitol, Escola Ciencias,Museu Ciencias & Tecnol, Porto Alegre, RS, Brazil

[2] Grp Estudos Mamiferos Aquat Rio Grande Sul GEMARS, Torres, RS, Brazil

[3] UFRGS, Setor Colecoes, Museu Ciencias Nat, Imbe, RS, Brazil

[4] Univ Fed Rio Grande FURG, Lab Aves Aquat & Tartarugas Marinhas, Inst Ciencias Biol, Rio Grande, RS, Brazil

[5] Univ Fed Rio Grande FURG, Programa Posgrad Oceanog Biol, Inst Oceanog, Rio Grande, RS, Brazil

[6] UFRGS, Ctr Estudos Costeiros Limnol & Marinhos CECLIMAR, Imbe, RS, Brazil

[7] Univ Fed Rio Grande do Sul, Programa Posgrad Biol Anim, Porto Alegre, RS, Brazil

[8] Univ Estadual Rio Grande Sul LABeC UERGS, Unidade Litoral Norte, Lab Biodiversidade & Conservacao, Osorio, RS, Brazil

[9] Inst Chico Mendes Conservacao Biodiversidade CEPS, Ctr Nacl Pesquisa & Conservacao Biodiversidade Ma, Itajai, SC, Brazil

来源：

MARINE ORNITHOLOGY | 2019年 / 47卷 / 01期

关键词：

feeding ecology; gadfly petrels; ingested debris; Procellariiformes; South Atlantic Ocean; MARINE DEBRIS; HABITAT PREFERENCES; FORAGING BEHAVIOR; GADFLY PETRELS; GOUGH-ISLAND; SEABIRDS; POPULATION; INGESTION; MOVEMENTS; HURRICANE;

D O I：

暂无

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

The Atlantic Petrel Pterodroma incerta breeds during the austral winter and mainly on Gough Island, remaining near the colonies during the breeding season and wintering on the South Atlantic Subtropical Convergence waters. Until now, all information about the diet of this species has been obtained during the breeding season, but these birds may take different prey items on the breeding grounds vs. the wintering grounds. We examined the stomach contents of 61 Atlantic Petrels stranded during the wintering season. A total of 1 183 food items were recorded, mainly cephalopods (93.9 %) and fish (6.1 %). Anthropogenic objects (i.e., debris) were found in 23 birds (37.7 %). Cephalopods are the main prey during both the breeding and the non-breeding seasons. The ingestion of debris by more than one-third of individuals is noteworthy and reveals an additional threat to this endangered species.

引用

页码：43 / 47

页数：5

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