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Reblogged from purpleraven
LONG TAILED SYLPH  (Aglaiocercus kingi) -  ©Judd Patterson
The Long-tailed Sylph is a species of hummingbird found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. Its natural habitat is subtropical or tropical moist montane forest.
Courtship strategy
The male long-tailed sylph carries characteristic elongated tail  feathers. These feathers are so ridiculously long that they hinder his  flight: it is difficult for him to carry such finery every day when he  relies on his flying skills to survive. Female sylphs, whose tails are  of a more modest size, pick out and mate with the males with the longest  tail feathers. They therefore ensure that they are mating with a male  who is so fit and healthy that he can live well enough to come into  breeding condition even when carrying a heavy load.
purpleraven:

Long-tailed Sylph (by Judd Patterson)

LONG TAILED SYLPH (Aglaiocercus kingi) -  ©Judd Patterson

The Long-tailed Sylph is a species of hummingbird found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. Its natural habitat is subtropical or tropical moist montane forest.

Courtship strategy

The male long-tailed sylph carries characteristic elongated tail feathers. These feathers are so ridiculously long that they hinder his flight: it is difficult for him to carry such finery every day when he relies on his flying skills to survive. Female sylphs, whose tails are of a more modest size, pick out and mate with the males with the longest tail feathers. They therefore ensure that they are mating with a male who is so fit and healthy that he can live well enough to come into breeding condition even when carrying a heavy load.

purpleraven:

Long-tailed Sylph (by Judd Patterson)

Notes

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