On the basis of data from extensive telemetry and visual observations during three mating seasons in a continuing population study of roe deer in south-central Sweden, we show that roe males are both highly polygamous and that territory defense is the dominant mating tactic. Also, two ...
Mule deer male walking in Montana during the mating season,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商
Adult male red deer (Cervus elaphus) in a mediterranean forest during mating season. Deer with big horns and south european environment. Taken in Sanabria Spain during deer rutting season. ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版
This idea was first applied to explain sex ratio patterns in mammals caused by variation in maternal condition. For example, in red deer, higher quality (indicated by rank) females are more likely to produce sons, and lower quality females are more likely to produce daughters. This is thought...
[red deer] Collects data on group composition, spatial distribution, habitat selection, social behavior, activity patterns, foraging ecology and forage quality and qu... - 《Proceedings of the Royal Society of London》 被引量: 400发表: 1998年 加载更多研究点推荐 Alternating sexual segregation ...
behavioural strategies in a small sexually monomorphic primate, the grey mouse lemur Microcebus murinus: (i) most females hibernate during a large part of the austral winter, whereas most males remain active and (ii) during the brief annual mating season males roam widely in search of receptive ...
It is worth noting here that the seasonal southward shift of the northern alliances, around the onset of the mating season, falls short of the southern habitat. An interesting question is whether the northern males are simply following females (that are, in turn, responding to changes in food...
Although we cannot assess the directionality of that relationship, it is clear that a male’s rank stability during the 2013 mating season was significantly associated with variation in the number of offspring that male had prior to 2013. For males under 16 years old, this pattern was ...
(2012) Mating group size and stability in Reindeer Rangifer tarandus: the effects of male characteristics, sex ratio and male age structure. Ethology 118: 783-792.L'Italien L, Weladji RB, Holand O, Roed KH, Nieminen M, Cote SD (2012) Mating group size and stability in rein- deer ...
Male roe deer sniffing female on stubble in mating season,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商