In addition, successful urban bird species have more elaborate colours in their plumage, which is especially true for females. Cities seem to favour more colourful birds – probably because there are ...

Common to woodlands ... Look at this boring-ass brown bird. It is mostly brown on top and has a fat-looking white belly covered in boring brown spots. The male and female look very similar ...

The common brown-headed cowbird is the most widespread ... almost finchlike. Foraging birds are commonly seen on the ground with the tail cocked. Adult male: the glossy black body, with a greenish ...