The flowers are insect pollinated, and various thistle species are widely known as important food sources for butterflies, as ...

This cicada has... American Goldfinch (Spinus tristis). The American goldfinch’s jumbled song is a staple of warm mornings and hot summer afternoons. In the cold months they visit hanging finch ...

Now, why should you mix up and swim your off stroke? Every stroke strikes a unique muscle group that another stroke can’t.

The American goldfinch’s jumbled song is a staple of warm mornings and hot summer afternoons. In the cold months they visit hanging finch feeders, the drooping heads of last year’s sunflowers, and ...

Portrait of a bald eagle, showing its strongly hooked beak and the cere covering the base of the beak. Eagles, Old World vultures, secretary-birds, hawks, harriers, etc.

The following tags have been used to highlight certain categories of occurrence. (V) Vagrant - a species that rarely or accidentally occurs in Ecuador (EG) Endemic - Galápagos - a species endemic to ...

Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires – IEGEBA (CONICET – UBA), Buenos Aires, Argentina Figure 1. Schematic ...