Elephants benefit from having older siblings, especially sisters

A study of semi-captive Asian elephants in Myanmar has found that calves benefit from having older sisters more than older brothers. The findings are published in the British Ecological Society's Journal of Animal Ecology.

Young birds do household chores

Young birds support their parents in raising youngsters, defending the territory and keeping predators at bay. This social behavior, exhibited by birds such as the mousebird, appear to contradict the prevailing theory of ...

Insect youths give in to parasitic mum

Adult children concede to exploitative mums leading to the evolution of insect societies, new research led by the University of St Andrews has found.

The Pakistani popcorn seller who built his own plane

The engine is from a roadcutter, the wings are burlap, the wheels are borrowed from a rickshaw: a popcorn seller has caught the attention of the Pakistan Air Force by building his own plane.

Sibling rivalries lead to friendly finches

A new study has revealed that growing up with lots of siblings – and fighting over food – makes zebra finches more sociable in later life. In contrast, finches with fewer siblings become pickier about who they hang out ...

A solar sibling identical to the sun

An international team led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Vardan Adibekyan used a novel method to detect solar siblings. The article was published in the journal Astronomy & Astrophysics.

Birds help each other partly for selfish reasons

Up to now, researchers have believed that birds stay at home and altruistically help raise younger siblings because this is the only way to pass on genes when you cannot breed yourself. But this idea is only partially true. ...

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