Once found along the entire Pacific Northwest coast, the Oregon silverspot butterfly now survives in only a few isolated ...

The Oregon Zoo is home to many large animals – take, for example, the biggest baby in the city, elephant calf Tula-Tu. But the zoo also works with smaller animals, sometimes much, much smaller. Last ...

Oregon Zoo has welcomed 25 rare Pacific lamprey – a 400-million-year-old species native to the Pacific Northwest. The effort is part of a tribal-led initiative to restore lamprey populations above ...

The Melbourne Zoo in Australia shares footage of the most adorable pygmy hippo taking its first swim in the big pool with its ...

The Oregon Zoo says it welcomed 25 Pacific lamprey last week. The eerie-looking eels are part of a larger effort to restore ...