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The barn swallow lays eggs once per year. They lay between 2 an 7 eggs at once. The average is 4 or 5 offspring per year.
Barn swallows lay 3-7 eggs per brood. The have 1 or 2 broods per year.
once a month or maybe twice.
Yes they can!
Grasshoppers do not build nests. They are not territorial, they lay eggs in the soil and then more on once the eggs hatch.
A woman does not normally release more than 1-2 eggs at once. The reason for twins is often that these 1-2 eggs might divide into more after they are fertilized. 2 eggs can become triplets or quadruplets or even more. Normally there are fertility medicine at work when a woman release more eggs. Factors at work can also be chemical spills or waste problems that by a freak of nature causes women to release more eggs and sometimes have many babies in one go.
More particularly pertaining to swallows: the small birds are often used as a symbol of everlasting love, since swallows mate for life and, regardless of the distance traveled, always return to a meeting place (generally near the equator) to mate once a year. Sailors used to get one swallow, traditionally on the chest, after traveling a certain amount of nautical miles, and the second when they had done double that. Swallows travel far distances, but do mate for life.
No. But you can get two eggs fertilized at the same time.
Not sure if this is helpful, but I once had an owl live in my barn, probably a Barn Owl then :D
Young barn owls need feathers to keep them warm and for flight once strong enough.
Courtship and mating take place in flight. Once the hen is fertilized she lays a clutch of eggs (two or more) and incubates the eggs.
A starfish can lay 1,000 eggs at once.