Bumblebees can learn to pull strings for food and pass on the ability to a colony, according to new research. Bumblebees can learn to pull strings for food and pass on the ability to a colony, ...

Apes and birds have long been known to demonstrate their intelligence by pulling a string to access food, but now researchers at Queen Mary University of London (QMUL) have discovered that bumblebees ...

This is a preview. Log in through your library . Abstract 1. Eighteen greenfinches, of which six were wild trapped adults, five were aviary-reared juveniles and seven were hand-reared juveniles; and ...