For the first time in its history, the National Zoo has bred strawberry dart frogs (Oophaga pumilio), which are known primarily for their vibrant colors and poisonous skin. These frogs also stand out among others because of their dedication to their young as they undergo metamorphosis from egg to tadpole to frog. [...more]
Scientists from the Smithsonian Migratory Bird Center have found that fledgling catbirds living in the suburbs are extremely vulnerable. Almost 80 percent are killed by predators before they reach adulthood. Nearly half of the deaths are connected to domestic cats. The team studied catbird nests in 3 suburban neighborhoods in Maryland: Spring Park, Opal Daniels Park, and Bethesda. Learn more about this 2011 study by clicking here. (Catbird photo by Gerhard Hofmann)
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