Andean hummingbirds

On the Evolution and Diversification of Andean Hummingbirds

At first look, the harsh physical conditions of the Andes should impose serious physiological constraints on hummingbirds, but instead, they have a wide distribution and are abundant at high altitudes. Several studies suggest highland species are …

An apparent hybrid Heliodoxa hummingbird from the West Andes of Colombia

Details and photographs are presented of an individual mistnetted in the West Andes of Colombia in 1997, which seems possibly to represent a combination between Fawn-breasted Brilliant *Heliodoxa rubinoides* and Empress Brilliant *H. imperatrix*.