女上瘾
发表于 2025-3-28 17:37:38
Polygyny in the Era of Molecular Biology: Revisiting Bartholomew’s Model polygyny evolves. Polygyny should result in high variance in male reproductive success, with a few males fathering a disproportionate number of pups. I tested this prediction by reviewing the literature on paternity, available for seven otariids. I identified a total of eight publications with data
LUT
发表于 2025-3-28 20:30:54
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暂停,间歇
发表于 2025-3-28 22:59:30
Site Fidelity, Male Harassment and Female Gregariousness: Factors Shaping the Highly Polygynous Matis compete for places where females aggregate for pupping. Longitudinal observations of individual northern fur seals provide a somewhat more complex view of how the mating system is organized. Both males and females show natal philopatry and breeding site fidelity. Territory acquisition by males is
saphenous-vein
发表于 2025-3-29 03:55:40
Mating Games and Raiding Parties in Southern Sea Lionsariables determine whether males defend territories containing females or defend females directly. Variables that influence the mating strategy include: the geophysical substrate, ambient temperature, access to water and cooling, sex composition and population status. Males defend territories if the
LARK
发表于 2025-3-29 08:17:59
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hair-bulb
发表于 2025-3-29 12:52:34
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STALL
发表于 2025-3-29 19:07:46
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向外供接触
发表于 2025-3-29 23:34:50
Visual Species Recognition and Mate Choice in Fur Seals: An Experimental Studyg most populations have made dramatic recoveries and in the process of so doing have recolonized their previous ranges and possibly further afield. At three locations, Crozet Is., Macquarie Is. and Marion Is., subantarctic and Antarctic fur seals now breed sympatrically and produce hybrid offspring.
reptile
发表于 2025-3-30 00:54:46
Vocal Communication in Otariids and Odobenidsre during mother-young interactions and male breeding vocal behavior. The social bond between mother and her young is very strong in both otariids and walrus, and their vocal exchanges start at birth. Individual vocal stereotypy has been found in both mothers and pups, and individual vocal recogniti
CRAB
发表于 2025-3-30 07:37:45
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