Eve Davidian: Why do the top dogs get the prettiest ladies? A story of sex, stress and hyena poops

In this new post, Eve Davidian and colleagues explore The interplay between social rank, physiological constraints and investment in courtship in male spotted hyenas. Their study shows that the social and mating system of spotted hyenas may shed some light into the roots of reproductive inequalities in mammalian societies. Toleo la Kiswahili linapatikana hapa. In most animal societies, resources are not shared equally among members … Continue reading Eve Davidian: Why do the top dogs get the prettiest ladies? A story of sex, stress and hyena poops

Na Eve Davidian: Hadithi ya mapenzi, msongo na kinyesi cha fisi Ngorongoro

An English version of this blogpost is available here. Kuna pengo la kiuelewa kuhusu uhusiano kati ya cheo cha mwanaume kijamii na mafanikio yake katika uzazi. Hii ni kwa mujibu wa utafiti nilioufanya na mwenzangu, miongoni mwa wanyama. Utafiti huu unaonyesha kuwa mfumo wa kijamii na kujamiiana wa fisi wenye madoadoa unaweza kutoa mwanga katika kuelewa mienendo ya usawa wa uzazi miongoni mwa jamii za … Continue reading Na Eve Davidian: Hadithi ya mapenzi, msongo na kinyesi cha fisi Ngorongoro

Félicie Dhellemmes floating in a shark bucket holding the last datasheet for the year

Félicie Dhellemmes: Bridging the gap between animal personality and individual foraging specialisation

In this month’s cover image story, we delve into the lives of juvenile lemon sharks in Bimini Research Station with Félicie Dhellemmes and learn about the complexity of animal personality and behaviour The concepts of animal personality and individual foraging specialisation describe two seemingly related phenomenon: The fact that individuals within populations consistently differ in their behaviour (for the former) and in their foraging habits … Continue reading Félicie Dhellemmes: Bridging the gap between animal personality and individual foraging specialisation