Mother lizards can induce different color patterns in their offspring in response to social cues, reports research published June 10 in the online early edition of the journal Ecology Letters. Female ...

A newly evolved, aggressive “Hulk” wall lizard is spreading out from the Rome region — and researchers are watching a million-year stable system unravel in real time. From three morphs to one: Across ...

From three morphs to one: Across 220 populations, the pattern is consistent: where "Hulk" arrives, yellow and orange throat ...

Zebras and tigers have stripes, cheetahs and leopards have spots, and the ocellated lizard (Timon lepidus) boasts a labyrinthine pattern of black-and-green chains of scales. Now researchers from the ...

SANTA CRUZ, Calif., June 13 (UPI) -- U.S. scientists have discovered female side-blotched lizards are able to induce different color patterns in their offspring in response to social cues. University ...

Many scientists, such as the late Stephen Jay Gould, to conclude that each group of living things evolves in its own idiosyncratic manner. But now biologists at Washington University in St. Louis have ...

Reptiles exhibit remarkable reproductive diversity, with many species giving birth to live young rather than laying eggs.

Skin color patterns in animals arise from microscopic interactions among colored cells that obey equations, say investigators. Researchers report that a lizard acquires its adult skin color by ...

Some lizards in the eastern U.S. have adapted to invasive fire ants--which can bite, sting, and kill lizards--reversing geographical trends in behavioral and physical traits used to avoid predators. A ...