Outdoor Science Activities-The New York Times – Eminetra

Birds need four basic things: food, water, shelter, and egg-laying grounds. The most common backyard bird diet in North America, including the goldfinch, blue jay, American robin, hummingbird, cardinal, and sparrow, consists of nuts, seeds, fruits, and nectar. Osprey, a large coastal bird, loves fish and jumps into the water to scoop fish. Top of the food chain: frogs like herons, reptiles like honeybees, hawks eat other birds, rod teeth and owls like vultures eat everything, including street killings.
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