Tropical crow species is highly skilled tool user

An international team of scientists and conservation experts has discovered that the critically-endangered Hawaiian crow, or 'Alalā, is a highly proficient tool user, according to a paper published today in the leading scientific ...

Birds startled by moving sticks

Do animals—like humans—divide the world into things that move and things that don't? Are they surprised if an apparently inanimate object jumps to life?

Mammals can 'choose' sex of offspring, study finds

A new study led by a researcher at the Stanford University School of Medicine shows that mammalian species can "choose" the sex of their offspring in order to beat the odds and produce extra grandchildren.

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