Early pupping of a sub-Antarctic fur seal at Inaccessible Island, Tristan da Cunha

Bester M. N.; Ryan P. G.

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Early pupping of a sub-Antarctic fur seal at Inaccessible Island, Tristan da Cunha

机译：特里斯坦·达库纳（Tristan da Cunha）无法接近的岛屿上的南极海狗早期幼崽

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A sub-Antarctic fur seal, Arctocephalus tropicalis, pup was located on Inaccessible Island in the Tristan da Cunha archipelago (TdC), well before the start of the annual breeding (pupping and mating) season in 2018. It was born a few days before 27 September 2018, at least 59days before the next pup was observed on the island in 2018 and 75days before the median birthdate for the species at the TdC. A malfunctioning of the obligate delay of implantation of the blastocyst in its mother was likely the cause of the early birth.

机译：亚南极海狗幼体Arctocephalustropicis，位于特里斯坦达库尼亚群岛（TdC）的无法进入的岛上，早在2018年年度繁殖（成年和交配）季节开始之前。它出生于几天前2018年9月27日，至少在2018年该岛上观察到下一只幼崽之前的59天，以及该物种在TdC的中位出生日期之前的75天。母体中胚泡植入的强制性延迟功能失常很可能是早产的原因。

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《Polar biology》 |2019年第6期|1221-1224|共4页
作者
Bester M. N.; Ryan P. G.;
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作者单位

Univ Pretoria, Mammal Res Inst, Dept Zool & Entomol, Private Bag X20, ZA-0028 Pretoria, South Africa;

Univ Cape Town, FitzPatrick Inst African Ornithol, DST NRF Ctr Excellence, ZA-7701 Rondebosch, South Africa;

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正文语种 eng
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关键词
Arctocephalus tropicalis; Breeding season; Median birthdate; Delayed implantation; Early birth;

机译：热带Arctocephalus;繁殖季节;中位数出生;延迟植入;早产;

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专利

1. Early pupping of a sub-Antarctic fur seal at Inaccessible Island, Tristan da Cunha [J] . Bester M. N., Ryan P. G. Polar biology . 2019,第6期

机译：在Iccessible Island，Tristan Da Cunha的早期幼鼠的亚南极海豹封印
2. Stalked barnacles on an adult male sub-Antarctic fur seal at Inaccessible Island, Tristan da Cunha [J] . Bester M. N., Ryan P. G. Polar biology . 2019,第10期

机译：Tristan da Cunha无法进入的小岛上成年雄性南极海狗的茎藤壶
3. Fish prey of sub-Antarctic fur seals Arctocephalus tropicalis at the Tristan da Cunha Islands, South Atlantic Ocean [J] . Bester M. N., Stansfield L. J., Glass T., Polar biology . 2021,第5期

机译：南达库哈群岛，南大西洋的亚南极毛皮海豹的鱼猎物arctocyphalustropicalis
4. Observations on the 1987 subsistence harvest of Northern fur seals on St. Paul Island, Fribilof Islands, Alaska [C] . Allen G.H. . 1993

机译：1987年对阿拉斯加弗里比洛夫群岛圣保罗岛北部海狗的生存记录
5. Ecotourism effects on the interactions between white sharks and Cape fur seals around a small island seal colony [D] . Laroche, Roger Karl 2006

机译：生态旅游对小岛海豹群附近白鲨与海角海豹之间相互作用的影响
6. Ancient DNA Elucidates the Controversy about the Flightless Island Hens (Gallinula sp.) of Tristan da Cunha [O] . Dick S. J. Groenenberg, Albert J. Beintema, René W. R. J. Dekker, 2008

机译：古代DNA阐明了Tristan da Cunha的不会飞的岛母鸡（Gallinula sp。）的争议
7. Vagrant Antarctic fur seals at the Tristan da Cunha Islands [O] . Ryan, Peter G., Bester, W.A., Glass, T., 2014

机译：在特里斯坦达库尼亚群岛的流浪的南极海狗
8. Summary of Synoptic Meteorological Observations (SSMO). South America and Selected Island Coastal Marine Areas, Atlantic Islands. Volume 3. Area 17 - Tierra del Fuego, Area 18 - Falkland Islands, Area 19 -South Georgia, Area 20 - Tristan da Cunha Group, Area 21 - Trindade, Area 22 - St. Helena, Area 23 - Ascension, Area 24 - St. Peter and Paul Rocks. [R] . 1977

机译：天气气象观测摘要（ssmO）。南美洲和选定的岛屿沿海海洋区域，大西洋群岛。第3卷。第17区 - 火地岛，第18区 - 福克兰群岛，第19区 - 南乔治亚，第20区 - 特里斯坦达库尼亚群，第21区 - 特林达德，第22区 - 圣赫勒拿，第23区 - 阿森松岛，第24区 - 圣彼得和保罗岩。

Early pupping of a sub-Antarctic fur seal at Inaccessible Island, Tristan da Cunha

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