There are over 9, bird species worldwide, with South America claiming the most at around 2, North America has around bird species. Birds eat different amounts and types of food depending on species, size and season. For example, a 2 lb. Different species eat different foods, and some rarely consume seeds. Seed-eating birds are fairly easy to identify, however, by their thick, cone-shaped beaks or bills, which are good for cracking their food. Examples of seed-eating birds include grosbeaks, sparrows, towhees, finches and several varieties of song birds. To calculate how much seed to place in a feeder, estimate the total weight of the seed-eating birds that frequent the yard and divide by two. Reduce the amount if not all the food is consumed.
What wild birds eat depends on the type. There is tremendous variety in bird diet between the different families of birds and there is no simple bird’s food list. Some birds eat only insects or seeds. Others are true omnivores that devour nearly anything. Birds forage, hunt and rely on humans for food. The location affects available food choices as does the season: winter birds may rely on different food sources than they do in the summer. Birds that cling to trees are woodpeckers, nuthatches and creepers.
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Because of the assortment, the diet is diverse. The webbed-foot birds that spend much time swimming include ducks, geese and swans. Seed-eating birds are fairly easy to identify, however, by their thick, cone-shaped beaks or bills, which are good for cracking their food. These birds often have special bills to assist in efficiently cutting into the fruit and removing the skin. To attract nectivorous birds, plant nectar-bearing flowers with repeated blooming cycles or staggered bloom stages so there is always a ready food source available. They will, however, fly low and swoop to pluck bugs from the air. Reduce the amount if not all the food is consumed. Beak shapes are highly varied correlating with the different behavioral adaptations. Small quantities of fruit, insects and sap may also be consumed. Omnivorous This describes many birds whose diet consists of both plants and animals.