Tree Swallows in nest
by Bob Orsillo
Title
Tree Swallows in nest
Artist
Bob Orsillo
Medium
Photograph - Original Fine Art Photography By Bob Orsillo
Description
Tree Swallow Fledglings In Birds Nest - Original fine art nature bird photography by Bob Orsillo.
Copyright (c)Bob Orsillo / http://orsillo.com - All Rights Reserved.
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Two Tree Swallows fledglings in a nest, less than seven days old. One sleeping. The other calling for food. One of parent Swallows (the mother) is making ready to land. This one of many still photographs I made during a three week filming of this family of swallows. Nature photography by Bob Orsillo
The Tree Swallow, Tachycineta bicolor, is a migratory passerine bird that breeds in North America and winters in Mexico, Central America and the Caribbean. It is a very rare vagrant to western Europe.
This swallow averages 13.5 cm (5 inches) long and weighs about 20 g. The bill is tiny. The adult Tree Swallow has iridescent blue-green upper parts, white underparts, and a very slightly forked tail. The female usually has duller colors than the male, often more greenish than the more bluish male. The juvenile plumage is dull grey-brown above and may have hint of a gray breast band.
The Tree Swallow nest consists of multiple layers of grasses and thin twigs, and is lined with large feathers from other species. The female lays 4 to 7 white eggs and incubates them by herself. The eggs hatch in about 14 days and the hatchlings are altricial. The hatchlings typically fledge in 16�24 days. While there are young or eggs in the nest, adults frequently dive bomb intruders (including curious humans) and attempt to drive them from the area. Tree Swallows are known to "fight" over feathers in mid-air for reasons which are still under investigation. There is some speculation that this is a form of play.
Tree Swallows are typically single-brooded, although they may attempt a second nest if the first fails early in the season. There are records of parents raising two successful broods in a season.
They subsist primarily on a diet of insects, sometimes supplemented with small quantities of fruit. They are excellent fliers and take off from their perch and acrobatically catch insects in their bills in mid-air.
Uploaded
August 11th, 2010
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Viewed 4,074 Times - Last Visitor from Ottawa, ON - Canada on 04/23/2024 at 2:52 AM
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Comments (15)
Clotilde Espinosa
So unique perspective...the perfect timing for the landing...composition and the closeness of the active scene is amazing dear Bob...Excellent!!! F/V.
Rory Sagner
This really is an outstanding photo! I love the perspective, that subtle "painterly" look, the amazing composition...and capturing the moment of "mom" returning...just incredible! v/f