Ethology is a branch of zoology that studies the behaviour of non-human animals. It has its scientific roots in the work of Charles Darwin and of American...

Animal sexual behaviour takes many different forms, including within the same species. Common mating or reproductively motivated systems include monogamy...

same-sex sexual behaviour was not scientifically reported on a large scale until recent times. Homosexual behaviour does occur in the animal kingdom outside...

an animal to survive and raise young. The proximate functions of territory defense vary. For some animals, the reason for such protective behaviour is...

Behaviour (journal), a scientific journal "Animal Behavior", a 1992 song from the album Transmutation (Mutatis Mutandis) by Praxis Animal Behaviour (film)...

Comfort behaviours in animals are activities that help maintain the pelage, feathers, integuement or musculoskeletal system and increase the physical...

Animal Behaviour is a double-blind peer-reviewed scientific journal established in 1953 as The British Journal of Animal Behaviour, before obtaining its...

spontaneously occurring same-sex behavior in animals outside of the laboratory. Homosexual behaviour in animals has been discussed since classical antiquity...

in wasps of the family Vespidae. This wasp behaviour evidences the most fundamental characteristic of animal sociality: parental investment. Parental investment...

Abnormal behaviour in animals can be defined in several ways. Statistically, abnormal is when the occurrence, frequency or intensity of a behaviour varies...