Scientists collect and freeze biological materials, such as gametes, tissue, milk and DNA, from threatened species for conservation and research.
scientists, in collaboration with the Fort Belknap Fish
For centuries, biologists have used a classification system, known as taxonomy, to identify, name and categorize organisms into groups. Systematics is a branch of biological science that studies the distinctive characteristics of species and how they are related to other species through time. Thus, it is the basis used to understand the evolution of life.
scientists, in collaboration with the Fort Belknap Fish
Smithsonian scientists are studying management approaches to improve reproduction among North American whooping cranes in human care.
scientists, in collaboration with the Fort Belknap Fish
‚Hoppy‘ Amphibian Awareness Week! All week long, the Smithsonian’s National Zoo and Conservation Biology Institute will be sharing stories about amazing amphibians and the scientists working to save them from extinction.
meters) long, arapaima are the largest freshwater fish
This small songbird is a common sight among the leafy woodlands of North America during the spring and summer months. It is noteworthy for its ruby-red irises and persistent singing.
meters) long, arapaima are the largest freshwater fish
Prehensile-tailed porcupines, also called coendous, are one of 12 species of New World porcupines. They are native to South America, where they live in trees and eat fruits.
meters) long, arapaima are the largest freshwater fish
Dull in appearance for most of the year, painted terrapins actually get their name from their coloration during the breeding season when they acquire a vivid red stripe on their heads. Painted terrapins are critically endangered and native to the fresh and brackish waters of Southeast Asia.
meters) long, arapaima are the largest freshwater fish
Pale-headed saki monkeys, also called white-faced sakis, live almost completely in trees, seldom if ever coming down to the ground. These small primates are native to northern South America.
meters) long, arapaima are the largest freshwater fish
Every spring, black-crowned night herons nest at the Zoo. Scientists are tracking these birds to unravel the mystery of where they spend the winter.
scientists, in collaboration with the Fort Belknap Fish
Not monsters at all, Gila monsters are one of the few species of venomous lizards on the planet. These carnivores are classified as near threatened, and they are native to Arizona, California and Mexico.
meters) long, arapaima are the largest freshwater fish
