Violet tern
| Violet tern | ||||||||||||
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Violet Tern ( Tachycineta thalassina ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Tachycineta thalassina | ||||||||||||
| ( Swainson , 1827) |
The violet tern ( Tachycineta thalassina ) is a small swallow found in America .
features
Adult birds are only 12 cm long, 14 g in weight and are green on the top and top of the head and white on the cheeks, neck and belly. They have deeply forked tails. Violet swallows look similar to bluish swamp swallows . In the males, the white neck extends up to and over the eyes, the females are slightly more dull and brown in color. Fledglings are brown on the tops.
behavior
The bird, which often appears in large flocks, catches insects in flight. In doing so, it usually glides very high, but can also be observed flying close to water while searching for food. These migratory birds fly in large flocks to Central and South America .
Reproduction
The breeding area of the violet tern are semi-open areas in western North America from Alaska to Mexico . They nest in tree or rock hollows, often in smaller colonies, with the nest lined with feathers. The clutch usually consists of 4–6 eggs.
Web links
- Tachycineta thalassina inthe IUCN Red List of Threatened Species 2015.4. Posted by: BirdLife International, 2012. Retrieved February 3, 2016.
- Videos, photos and sound recordings of Tachycineta thalassina in the Internet Bird Collection
- Violet-green Swallow Species Account - Cornell Lab of Ornithology
- Violet-green Swallow - Tachycineta thalassina - USGS Patuxent Bird Identification InfoCenter