481593 - 1971: Mini steam powered railroad train ride taking corner.

River otters crunch on ice at Oregon Zoo

Meet Tula-Tu, Oregon Zoo's newest baby elephant

Oregon Zoo's baby elephant Tula-Tu named Grand Marshal of Rose Festival's Grand Floral Parade

Oregon Zoo's newest baby elephant Tula-Tu makes her first public debut

Polar bear sisters meet for the first time at the Oregon Zoo

New Humboldt penguin chick hatches at Oregon Zoo

Elephant plays with giant log in pool at Oregon Zoo

Oregon Zoo baby elephant Tula-Tu has first outdoor adventure with mom

Sea otter slam dunks basketball at Oregon Zoo

Orangutan cuddles with her newborn at the Oregon Zoo

Polar bear snacks on watermelon at Oregon Zoo

Maple the beaver at Oregon Zoo celebrates 9th birthday

Elephants squish pumpkins at Oregon Zoo

Oregon Zoo's baby elephant Tula-Tu learns how to swim

Oregon Zoo's dream team of sea otters going for gold | Drew at the Zoo

Baby elephant at Oregon Zoo turning 1 month old

Oregon Zoo animals having a gourd time this Halloween season

Southern sea otters play in tubs of water

Elephants squash some huge pumpkins at the Oregon Zoo

Oregon Zoo bears come out to play

Oregon Zoo elephants squash giant pumpkins

Squish that squash! Oregon Zoo holds annual 'Squishing of the Squash' for the elephants

Oregon Zoo reveals gender of new baby elephant

Otters frolic throughout new home at Oregon Zoo

Polar bear sisters Nora and Amelia Gray play in tub of ice

Lemurs eat pumpkins at the Oregon Zoo

Oregon Zoo's baby elephant Tula-Tu enjoys first time out in the sunshine

Oregon Zoo cheetah Strike dead at 15

Meet Tamu, the Oregon Zoo's new baby rhino | Drew at the Zoo

OSU helps out to treat Oregon Zoo tiger

Oregon Zoo adopts 3 new tiny goats

Cheetah cub gets special care at Cincinnati Zoo

Oregon Zoo's baby elephant Tula-Tu turns 6 months old

Lions steal hidden camera at Oregon Zoo

Lions steal hidden camera at Oregon Zoo

Oregon Zoo lions turn camera into toy