Finches are dioecious, where there is a distinct male and female. The egg must be fertilized by the sperm of a male finch to reproduce.
Reproduction happens most often when there more precipitation and an abundant food source. The vampire finches will build nests in cactuses and bushes and are small and dome-shaped.
Once fertilized the female will lay an egg and it will be incubated for about 12 days. Once hatched the baby bird will stay in the nest for two weeks before leaving for good. 
Vampire finches are sexually dimorphic. The male finches are primarily black and the females are brown with grey streaks.


Other organisms who reproduce during good conditions are the: Emus, ostrich, crocodile, bullfrog, and elephants.

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