American Museum of Natural History. 
SWORD-BILLED HUMMINGBIRDS (Ensifera ensifera). 
Length: 6 inches. Range : Northern South America: 
Venezuela to Peru. 
The spear-like bill, as long as the body itself, is 
employed by these birds to extract insects from long, 
tubular flowers and blossoms. Some hummingbirds are 
no bigger than a bumble bee. About five hundred species 
are known, of which seventeen inhabit the United States. 
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