Despite their fearsome reputation, timber rattlesnakes are typically shy and elusive, preferring to avoid human encounters whenever possible. Image via evangrimes ...

The Eastern Indigo Snake (Drymarchon couperi), known for its lustrous, blue-black scales, is one of North America’s most fascinating and important snake species. As the longest native snake in the ...

Comparative material examined: For comparison of the new species with its closest congeners, the following museum specimens were examined: Microsternarchus bilineatus: VENEZUELA. San Bartolo River, ...

Two new species of loricariid catfishes, Parotocinclus bidentatus and P. muriaensis, are described from the rio Paraíba do Sul basin. They possess accessory unicuspid teeth located internally to the ...

Pogoniulus bilineatus Taxonomy Version: IOC 10.2 All Ranks Domain Kingdom Subkingdom Phylum Subphylum Superclass Class Subclass Infraclass Superorder Order Suborder Infraorder Superfamily Family ...