How do birds reproduce? - Yahoo! Answers

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how do birds reproduce


Bird Mating - How Birds Have Sex

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** How Birds Mate **

*All About Bird Mating*

By Melissa Mayntz, About.com Guide

"Mating Gulls"

Bird mating is a fast balancing act.

Doom64
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· bird mating
· bird reproduction
· bird behavior

Spring is the breeding season for most birds, but how do birds mate? Coming
together in sexual copulation is essential to fertilize eggs to raise young
birds, but the sex act is only a brief part of birds' courtship.

-The Reproductive Anatomy of Birds-

Most birds do not have the same reproductive body parts as mammals.
Instead, both male and female birds have a cloaca – one opening (also
called the vent) that serves as the bodily exit for their digestive,
urinary and reproductive systems. This means that the same opening that
excretes feces and urine is where eggs are laid. During the breeding
season, the cloaca swells and protrudes slightly outside the body, while
during the rest of the year it is much less prominent.

When birds are ready to breed, their reproductive organs – the testes and
ovaries – swell and produce the sperm and ova. Male birds store sperm in
their cloaca until an opportunity to mate arises, and females will receive
that sperm into their cloaca before it travels to fertilize their ova.

-Bird Courtship-

The courtship between a pair of birds can last much longer than the actual
act of copulation. Courtship behavior may include several stages, from
initially claiming territory to actually wooing a prospective mate with
visual and auditory displays


Source: birding.about.com/od/Reproduction/a/How-Birds-Mate.htm

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