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Apr 19, 2012
Pelecanus occidentalis
Size varies greatly depending on location, with the smallest individuals in the West Indies, medium birds on the coasts of the U.S. (Atlantic and Gulf), Central America, and Colombia and Ecuador, large birds on the coasts of California, Mexico, and Galapagos Islands, and very large in Peru and Chile (NGS 1983, Palmer 1962).
Source: Encyclopedia of Life
Apr 19, 2012
Dendroica occidentalis
See Jackson et al. (1992) for aging criteria.
Source: Encyclopedia of Life