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Invasive species are plants and animals that play an important role in their native ecosystems, but wreak havoc when humans transport them to foreign lands.
California condors at the Oregon Zoo's Jonsson Center for Wildlife Conservation are laying the groundwork for species recovery one egg at a time.
He might look like a playful kitten chasing around a ball of yarn, but this cat is a 310-pound Amur tiger with paws the size of dinner plates. Mikhail is one of the...
They're not an overtly charismatic fish, but zoom in and you'll see the spunk. The Olympic mudminnow (Novumbra hubbsi) swims just above the mud layer in shallow...
With Valentine's Day just around the corner, could love be in the air for Zuri and Ruka, a pair of critically endangered black rhinos at the Oregon Zoo?