True colors: Female squid have two ways to switch color

The female common market squid –– AKA Doryteuthis opalescens –– may not be so common after all. Researchers at UC Santa Barbara have discovered that this glamorous cephalopod possesses a pair of stripes that can sparkle ...

Pigeons fly home with a map in their heads

It is a fascinating phenomenon that homing pigeons always find their way home. A doctoral student in biology at the University of Zurich has now carried out experiments proving that pigeons have a spatial map and thus possess ...

Rules of attraction: Catching a peahen's eye

Getting the undivided attention of a female is tough at the best of times but it's even harder when surrounded by other male suitors. It's no wonder males often resort to ostentatious displays to distinguish themselves from ...

By trying it all, predatory sea slug learns what not to eat

Researchers have found that a type of predatory sea slug that usually isn't picky when it comes to what it eats has more complex cognitive abilities than previously thought, allowing it to learn the warning cues of dangerous ...

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