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This, the squishy and contentious realm of comparative psychology and cognitive ethology, asks such questions as: Do dogs experience jealousy?

In terms of comparative psychology and animal welfare science, you know, we all are aiming at understanding capacities and experiences of individual animals.

The jays were veterans of comparative psychology research and learned swiftly that they’d get the worm if they guessed correctly which hand it was in.

Several research fields chart the behaviour of non-human animals, including comparative psychology, ethology, behavioural ecology, evolutionary biology and conservation science.

The findings, from UK and US researchers in anatomy and comparative psychology, show that the facial change has developed over thousands of years of dogs living alongside humans.