Category Archives: Ethology

Altruism is a basic principle in many cultures and religions: do good deeds to other persons without expecting a reward or even if it is detrimental for you. However, it is not exclusive to human beings: ant workers abandon their […]

How are we like we are? What defines our mind, our character, and our behaviour? Men made ​​themselves these questions in all ages of humanity. From the age of myths to the age of science the answers have been very […]

When the nymph Calypso was finally convinced by Hermes to let Odysseus go back to Penelope and his island, she gave the Greek hero very precise instructions. After leaving Calypso’s island, Ogygia, Odysseus should “keep [the Great Bear that […]

Scientific experiments using animals frequently involve the marking of animals that artificially changes their phenotype. For instance, penguins with flipper bands have been used to study climate change. However, as Saraux et al. show, this banding reduces penguins’ survival rate. […]

Many animals —including mammals, birds and fishes— acquire from others knowledge and skills which may develop into behavioural traditions. Outside of humans, it is in the primates —specially chimpanzees— where socially transmitted behaviour patterns, such as tool use and social […]

Orcas or killer whales (Orcinus orca) are widely distributed and feed on a large array of prey —fish, seals and sometimes whales—. These powerful predators are highly adaptable, cooperative and live in stable matriarchal social groups of related animals. Each […]

The term “midlife crisis” was coined in 1965 by psychologist Elliot Jacques. In our collective imaginary we believe that it refers to a time in life when adults realize that their life is halfway over, that they may not have […]