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Black sunflower seeds are often used in bird feeders, as they attract a wide variety of birds, have a high ratio of seed material to shell, and are high in fat content, the latter of which is nutritionally important for winter birds. [13] [9] Other popular seeds include Niger, or thistle seed, a favorite of goldfinches and redpolls.
The seeds they eat come from composite plants -- daisies, coneflower, sunflowers, aster, etc. -- grasses, and trees. They are picky eaters and take a long time to adapt to new foods.
The seed's oil is widely used for industrial purposes such as soap making, paints preparations and preparation of different types of emulsions. [12] The seed is used as bird food. As the seeds are so small, specialized bird feeders are manufactured for niger seed. In the United Kingdom the seeds attract finches and siskins. [13]
Birds do not act aggressively toward predators within their territory; their only reaction is alarm calling. Predators include snakes, weasels, squirrels, and blue jays, which may destroy eggs or kill young, and hawks and cats, which pose a threat to both young and adults. The oldest known American goldfinch was 10 years and 5 months old. [26]
These fabulous birds, bright yellow and black (the males have the showiest breeding plumage) greedily seek out the ripening achenes, before the breezes have carried them away, and it is a real ...
The European goldfinch or simply the goldfinch (Carduelis carduelis) is a small passerine bird in the finch family that is native to Europe, North Africa and western and central Asia. It has been introduced to other areas, including Australia, New Zealand, Uruguay and the United States.
“For example, thistle seed (also called nyjer} attracts finches primarily, such as goldfinches, siskins, and redpolls. Millet is a favorite of ground-feeding birds like doves, sparrows, and ...
Pine siskins feeding on thistle seeds. These birds forage in trees, shrubs and weeds. They mainly eat seeds, plant parts and some insects. In winter, they often feed in mixed flocks including American goldfinches and redpolls. Small seeds, especially thistle, red alder, birch, and spruce seeds, make up
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