Springer Science and Business Media LLC
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Reproductive behavior analysis in the annual killifish Austrolebias nigripinnis (Regan, 1912) (Cyprinodontiformes: Rivulidae)
Springer Science and Business Media LLC - Tập 26 - Trang 239-246 - 2023
Annual killifish have an annual life cycle unique among vertebrates. Adults lay desiccation-resistant eggs in the soil of the temporary pools they inhabit. Courtship behavior of some Neotropical killifish consists of a series of displays performed by males and females that ends in the total or partial burial of the couple. However, little information exists on their reproductive isolation mechanis......
Long-term social structure of long-finned pilot whales (Globicephala melas) in the Strait of Gibraltar
Springer Science and Business Media LLC - Tập 11 - Trang 81-94 - 2008
The Strait of Gibraltar is inhabited by around 216 pilot whales, which are present all year round, and nothing is known about their social structure. The aim of this study is to analyse the inter-individual association patterns within this pilot whales community to (1) provide an insight on their long-term social system and (2) to assess the relationship between sexes within this social system. Be......
Udder preference in wild boar piglets
Springer Science and Business Media LLC - Tập 8 - Trang 51-55 - 2005
Competition to access the front teats in the domestic pig is strong during the first days of life, despite the fact that the number of piglets is fewer than the number of teats. Preference has been explained in terms of greater milk production (although it might also be the consequence rather than the cause), or reduced risk of crushing when the female lies down to begin a suckling session. Here, ......
Antagonistic interactions between predator and prey: mobbing of jaguars (Panthera onca) by white-lipped peccaries (Tayassu pecari)
Springer Science and Business Media LLC - Tập 23 - Trang 45-48 - 2020
Ambush predators rely on stealth to successfully secure prey. Mobbing is a rarely observed anti-predation strategy used by group-living prey species whereby several individuals distract or harass a predator until it either ends the pursuit or leaves the area. Herein, we present three unique cases of white-lipped peccaries (Tayassu pecari) mobbing jaguars (Panthera onca) in the wild. White-lipped p......
Testing the environmental buffering hypothesis of cooperative breeding in the Seychelles warbler
Springer Science and Business Media LLC - Tập 26 - Trang 211-224 - 2023
Species are facing environmental challenges caused by rapidly changing environments. Globally, extreme weather events, like droughts or extreme rainfall, are increasing in frequency. Natural selection usually acts slowly, while adaptations through phenotypic plasticity are limited. Therefore, organisms may utilise other mechanisms to cope with such rapid change. Cooperative breeding is hypothesise......
Differences in locomotor performances between two sympatric species of freshwater turtles
Springer Science and Business Media LLC - Tập 26 - Trang 133-137 - 2023
Animals whose ecological niches largely overlap within a habitat can get into intra-specific and/or inter-specific competition for some of the limited resources available. We hypothesise that differences in locomotor abilities might be a key component deciding which individual will gain the resource, especially in animals with limited agility, such as turtles. To address this hypothesis, we tested......
Geographical variation in male calls and the effect on female response in little penguins
Springer Science and Business Media LLC - Tập 18 - Trang 227-234 - 2014
We investigated the variation in male advertising calls of two subspecies of little penguins (Eudyptula minor minor and Eudyptula minor iredalei), which live in two different regions within New Zealand. We found that the call frequency in both exhalation and inhalation phrases in male advertising calls differed between the two subspecies. Further, we conducted a reciprocal playback experiment to e......
Paternity cues and mating opportunities: what makes fathers good?
Springer Science and Business Media LLC - - 2010
Interspecific interactions of the critically endangered Forest Owlet (Athene blewitti)
Springer Science and Business Media LLC - - 2010
The Forest Owlet (Athene blewitti) is critically endangered and at extremely high risk of extinction owing to its restricted distribution. An expedition was organized to determine the density of the Forest Owlet in the Melghat Tiger Reserve in February 2004 where they had been observed sporadically in the previous 5 years. We hoped to identify as many individuals as possible and to observe intersp......
Poison frog social behaviour under global change: potential impacts and future challenges
Springer Science and Business Media LLC - Tập 26 Số 3 - Trang 151-166 - 2023
The current and cascading effects of global change challenges the interactions both between animal individuals (i.e. social and sexual behaviour) and the environment they inhabit. Amphibians are an ecologically diverse class with a wide range of social and sexual behaviours, making them a compelling model to understand the potential adaptations of animals faced with the effects of human-induced ra......
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