A group of passionate lizard scientists have published a guide to the dozens of species of Anolis: small, brightly-coloured tree lizards related to iguanas. Colombia holds more than 75 species of ...

How do intermittent events like hurricanes impact natural selection? How do animals adapt to challenging weather? A University of Rhode Island professor has set out to track natural selection in the ...

Sexual dimorphism may increase the ecologically relevant variation within a community when sexes play ecologically differentiated roles. Sometimes, the ecological differences between sexes can be as ...

Biologists have reported the discovery of a new lizard in the Dominican Republic, strengthening a long-held theory that communities of lizards can evolve almost identically on separate islands. The ...

The amniote lineage divided into the ancestral lineages of mammals and reptiles ∼320 million years ago. Today, the surviving members of those lineages are mammals, comprising ∼4,500 species, and ...

Millions of years before humans began battling it out over beachfront property, a similar phenomenon was unfolding in a diverse group of island lizards. Often mistaken for chameleons or geckos, Anolis ...

A serendipitous find in the National Museum of Natural History’s collections yielded just the second known specimen of a mysterious Cuban anole Benjamin Hack A CT scan reconstruction of USNM 5095 that ...

Anolis lizards have a thing or two to teach humans about love -- or in scientific speak, sexual selection -- at least when it comes to territoriality. Decades of behavioral research on the lizard's ...

The movement of lizards around the Caribbean is forcing researchers to account for human activity in even their most basic ecological models. When Matthew Helmus was about eight years old and ...

The creature is small, somewhat furtive and green. Sometimes it’s brown. It has a voracious appetite for insects and spiders but is completely harmless to people. It clings to walls and screens and ...