A Brown Thrasher has an incubation time of ten to fourteen days, and a nestling time of nine to thirteen days. There is a set of eggs in the American Museum of Natural History, in New York, taken by H. B. Bailey on June 5, 1886, near South Orange, N. J. See more ideas about Brown thrasher, Thrasher, Brown. Adults and nestlings are preyed on by falcons. Brown Thrasher is an uncommon to locally common summer resident in its breeding range (Lockwood and Freeman 2004), Little if any change in its breeding range seems to has occurred since the 1960’s. Image of bird, speckles, white - 145522497 When studying birds it is important to learn their gestation period. The four speckled eggs are found roughly at center in their nest surrounded by grasses and foliage. Gray catbirds sometimes visit brown thrasher nests and break and eat the eggs. Cowbirds do not make nests of their own, but lay their eggs in other birds’ nests.
Eggs of the brown thrasher have been found in the nests of other birds.
Something I really admire about brown thrashers is their ability to recognize brown-headed cowbird eggs and take action. I think of thrasher as describing their feeding behavior of “thrashing” their head side to side to move leaf litter to find food. Eggs are blue with brown speckles. The eggs of brown thrashers are also preyed on by many species of snakes. Females lay three to six, usually four or five white eggs (sometimes with a blue green tint), which eggs hatch in about two weeks or less and young leave the nest in about another two weeks or less.
Brown thrashers are aggressive and often chase predators from their nests.
Photo about Brown Thrasher nest and eggs on white background. Apr 19, 2015 - Explore carlidinsmore's board "Brown Thrasher" on Pinterest.
Chicago Academy of Sciences, birds, Toxostoma rufum, Brown Thrasher, ecology, environment Nest and four eggs of a Brown Thrasher.