Blue Chaffinches resemble Common Chaffinches, but they are noticeably larger, and have a thicker bill.
A young chaffinch must hear an adult singing before it sexually matures, or it will never properly learn the highly intricate song.
Horbach’s location in the so-called Buchfinkenländchen is symbolized by the Common Chaffinch in the community’s arms.
Stonechats, willow warblers and wood warblers sing from perches just off the path but the robins and chaffinches are far bolder and will hop around the path just two feet away from human visitors.
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An experiment was carried out to discover whether caterpillars of B. strataria, Ennomos alniaria, and Lycia hirtaria were protected from Eurasian Jays and Common Chaffinches by their resemblance to the sticks they resided upon.
Smaller birds such as the Siskin, Common Chaffinch (in very large numbers) and Great Spotted Woodpecker are also present and easy to spot on the feeders.