Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion.

Prior research has produced mixed results on the question of animals and their susceptibility to optical illusions, per the ...

A new study reveals guppies are easily tricked by optical illusions, while ring doves see clearly, highlighting differences ...

Scientists tested two species against each other to see which was more likely to fall for an optical illusion.

Dr Maria Santacà describes how not only how fish and birds perceive their worlds, but also how ecological pressures shape the ...

We've seen in our simulations that the more brightly colored a male guppy is, the more likely he will be seen -- and eaten -- by a predator. In a simulation or in the wild, where predators are ...

Meet Poecilia vivipara—a small, shiny yellow guppy found in South America. When a group of scientists visited the Fernando de Noronha archipelago a decade ago, they found the tiny freshwater fish.

New study on guppies shows that animals evolve in response the the environment they create in the absence of predators, rather than in response to the risk of being eaten. Guppies, a perennial pet ...