What animals are found on mangrove islands
http://sofia.usgs.gov/virtual_tour/tirb/index.html
http://books.google.com/books?id=NXm8QdF5jEYC&pg=PA428&lpg=PA428&dq=animals+mangrove+islands&source=bl&ots=OvEfBQTZsC&sig=OvZ5B612y_gdhvRerKwKW7eA4OA&hl=en&ei=rOPsSYOdNsTgtgeNwqXBBQ&sa=X&oi=book_result&ct=result&resnum=4