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The northern cardinal is mainly granivorous but also feeds on insects and fruit. The male behaves territorially, marking out his territory with song. During courtship, the male feeds seed to the female beak-to-beak. The northern cardinal's clutch typically contains three to four eggs, with two to four clutches produced each year.
Females generally arrive several days to a week later. Nest building and egg laying both occur usually in less than two weeks after the adults arrive. The clutch is usually four eggs, occasionally from three to five and exceptionally from one to six eggs may be laid. The eggs are a light blue color, often with a slight greenish or whitish tinge.
A northern cardinal nest showing the nest structure and key features of their egg in Cardinalidae. Nearly all cardinalids are monogamous breeders and are highly territorial. Despite being monogamous this is only during the breeding season, and each year the birds might partner up with a different bird.
The male Northern Cardinal is nearly all brilliant red except for a black mask which extends to a dark eye and surrounds the chin, throat, and its reddish bill. The female also has a similar mask ...
Cardinals are not cavity nesters and don’t use birdhouses or nesting boxes to lay eggs. “Cardinals build their nests right in the branches of trees and shrubs usually one to 15 feet off the ...
The Northern Cardinal is actually the state bird of seven states. Here’s how to attract them to your yard, and why they fight their own reflection. Cardinals sing a sweet song but are fierce ...
The number of eggs laid in a single brood is referred to as the clutch. Clutch size is usually within a small range of variation. Some birds respond to the accidental loss of eggs by laying a replacement egg. Others will stop laying based on the apparent size of the clutch.
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