yellowbellied sapsucker

This is theorized to contribute to the evolution of a search image for ideal nesting trees. Photographs by Bob Moul His website: Each hole is started as an oval elongated horizontally, drilled through the bark and phloem layers to the outside of the xylem. The underwing is barred greyish and white. The upperparts are generally a mottled pale and blackish colour. Adults and nestlings can be killed by raccoons, especially if the nest is either too low or not deep enough.

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The yellow-bellied sapsucker has a length of around 19 to 21 sappsucker 7. In late April and May, nest is excavated in live birch and poplar trees at about 2 to 20 metres above the ground. Retrieved 30 April Back is blackish, with a white rump, and a large white wing patch. The yellow-bellied sapsucker is one of four species in sapsuxker genus Sphyrapicus. The chisel-tipped bill is relatively short and straight, with a slate to blackish colour.


The study also concluded that a deviance from this search image can be caused by the rarity of the trees that fulfill such criteria. Adults and nestlings can be killed by raccoons, especially if the nest is either too low or not deep enough. Nests with less young sapsuckfr brooded more, presumably because smaller broods lose heat faster.

Yellow-bellied Sapsucker uses human structures to help in its territorial drumming. Parents must feed them nine times per hour. Views Read Edit View history. There is a broad black stripe going through the ear-coverts and down to the side of the neck. The yellow-bellied sapsucker is parasitized by Haemoproteus velansa Sporozoan parasite that is transmitted to this bird through species of the genus Culicoides.

Yellow-bellied sapsucker

Arthropodstree sap, fruits, and nuts compose the majority of the yellow-bellied sapsucker’s diet. The underwing is barred greyish and white. Sphyrapicus varius Linnaeus Yellow-bellied Sapsucker feeds on insects. The New Student’s Reference Work. They raise their crest and shake their head to display aggression. Tail is barred black and white, black on sides. The hairy woodpecker has no red on the crown front of the head or throat and has blacker back.


The Book of Eggs: The wing coverts are black, and there is a white panel sapscuker the medians and central greater-wing coverts.

Yellow-bellied Sapsucker

Unfortunately, Yellow-bellied Sapsucker holes damage trees, and sometimes provides points of entry for fungus and other diseases. The upperparts are generally a mottled pale and blackish colour.

Sapsuckers are also especially susceptible to raccoon attacks when nesting in trees other than P. Problems playing this file?

Yellow-bellied Sapsucker

University of Chicago Press. They also have the courtship ritual of touching their bills together. The innermost tertials are white and black. Wikimedia Commons has media related to Yellow-bellied sapsucker.

The male usually arrives on the nesting grounds about one week before the female. Arthropod prey is usually in the form of LepidopteraOdonataor both the young and adults of beetles and ants.

Retrieved 21 October The red-naped sapsucker is distinguished by having a red nape back of the head. Northeastern Forest Experiment Station: