By grrlscientist on March 17, 2008. tags: birds,Brown Pelican, Pelecanus occidentalis, ornithology, Image of the Day Immature Brown Pelican, Pelecanus occidentalis, in the Yucatan. Image: Kevin Sharp. [larger size]. Tags image of the day bird bird watching birding brown pelican ornithology Pelecanus occidentalis image of the day Log in to post comments More like this