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Other uses for shell grit include protecting plants from slugs or snails [2] and for aquariums. Insoluble grit consists mainly of crushed stone (though often with additives). These do not dissolve in the bird's digestive system; instead, they remain in the gizzard for weeks or months to help the bird grind up its food for digestion.
Ostrich eggs in a nest on a farm. The egg of the ostrich (genus Struthio) is the largest of any living bird (being exceeded in size by those of the extinct elephant bird genus Aepyornis). The shell has a long history of use by humans as a container and for decorative artwork, including beads. The eggs are not commonly eaten.
Lotus corniculatus is a flowering plant in the pea family Fabaceae. Common names include common bird's-foot trefoil, [2] eggs and bacon, [3] birdsfoot deervetch, [4] and just bird's-foot trefoil [5] (a name also often applied to other Lotus spp.). It has a wide distribution and is a favored forage for livestock.
While many reptiles lay eggs with flexible, calcified eggshells, there are some that lay hard eggs. Eggs laid by snakes generally have leathery shells which often adhere to one another. Depending on the species, turtles and tortoises lay hard or soft eggs. Several species lay eggs which are nearly indistinguishable from bird eggs. [citation needed]
Gull eggs are usually (but not always) larger than any size of chicken egg; for example, a herring-gull egg typically weighs about 85 g (3.0 oz). [4] [a] One source states that a generalized gull's egg is approximately twice the size of a chicken's egg. [5] Egging is the prehistoric practice of foraging wild-bird eggs.
Humans have a long history of eating eggs, both wild bird eggs and farm-raised bird eggs. [citation needed] Brood parasitism occurs in birds when one species lays its eggs in the nest of another. In some cases, the host's eggs are removed or eaten by the female, or expelled by her chick.
Bird feeding is the activity of feeding wild birds, often by means of bird feeders. With a recorded history dating to the 6th century, [ 1 ] the feeding of wild birds has been encouraged and celebrated in the United States and United Kingdom, with it being the United States' second most popular hobby having National Bird-Feeding Month ...
Kennard, H., List of Trees, Shrubs, Vines and Herbaceous Plants, native to New England, bearing fruit or seeds attractive to Birds (Reprint from Bird-Lore, v. XIV, no. 4, 1912) McAtee, W. L., Plants useful to attract Birds and protect Fruit, (Reprint from Yearbook of Agriculture 1898)