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The Amazon and Orinoco basins in northern South America are home to the highest concentration of freshwater fish species on earth, with more than 3,000 species allotted to 564 …
A photographic guide to 536 species of plant galls found west of the RockiesBeautiful and bizarre, plant galls are growths of various shapes, sizes, and colors produced in response …
A fully updated and expanded edition of the acclaimed, bestselling dinosaur field guideThe bestselling Princeton Field Guide to Dinosaurs remains the must-have book for anyone who …
An accessible field guide to more than 500 of the most commonly found spider species in North AmericaOf the more than 49,000 species of spider worldwide, some 4,000 are in North …
The only fully illustrated guide to feature all the bird species of Puerto Rico and the Virgin IslandsThis portable and informative field guide describes the bird species found on …
The most up-to-date and authoritative illustrated guide to the marvelous flying reptiles that dominated the skies of the Mesozoic for 160 million yearsOnce seen by some as …