How many eggs does the female Costa's Hummingbird typically lay in her cup-shaped nest?
Answer
Two small, white eggs
The female Costa's Hummingbird solely handles the construction of the nest and the subsequent incubation duties. Once the tiny structure, built from plant down and bound with spider silk, is complete, she lays her clutch. This clutch size is consistently small, consisting of only two eggs, which are described as being small and white in coloration.
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