These medium-sized hummingbirds inhabit scrub, grasslands, savanna, and gorges surrounded by bushes. They are most common in upland habitat between 1000-1500 meters, but are present at a wide range of elevations. In Brazil, birds living at higher elevations migrate to the lowlands during the fall. White-vented Violetears frequently perch in low vegetation near rich flower areas and call steadily. Should another hummingbird try to visit these flowers, a White-Vented Violetear would immediately chase it away. These violetears often begin foraging earlier in the morning than do other hummers. Females construct the nest, incubate eggs, and raise nestlings without help from males. via 500px http://ift.tt/1uYPA21
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