Birds living in cities are usually more colorful and less brown. These colors help them survive better in urban environments.

To go unbothered while feeding, some female white-necked jacobin hummingbirds adopt a surprising tactic: mimicking the ...

In addition, successful urban bird species have more elaborate colours in their plumage, which is especially true for females ...

Cities are warmer (thanks to the urban heat island effect ), filled with artificial lighting, and feature greyscapes that ...

Long-eared Owls have fluorescent feathers that glow under UV light. These hidden pigments vary by age, sex, and size.

Researchers at the University of Granada and the Max Planck Institute for Biological Intelligence have demonstrated a link ...

On freshly molted birds, black plumage has white spots all over; by winter, spots start to disappear; and by spring, the birds are glossy black all over, with strong suffusions of iridescent pinks ...

It's been known for some time that some—but not all—female white-necked jacobin hummingbirds take on the brightly colored plumage worn by males. In a study published in Animal Behaviour ...

This striking cattle egret, all decked out in its breeding plumage, was checking out a nesting site at the rookery in the Village of DeLuna. Thanks to Julie Walfield for sharing!