Our newest baby pied tamarin is seen here, clinging to the back of its parent in the Rare Animal Conservation Center.

Our Amur tigers playing in the snow.

Our newest baby Bolivian gray titi monkey is seen here, a resident of the Rare Animal Conservation Center.

Our alligator snapping turtle, a resident of the Reptile and Amphibian House.

The beautiful blue hyacinth macaw.

Discover "Lucy" and "Ethel", two of the Philadelphia Zoo's newest residents!

Young Zoo visitor Caiden Spector comes face-to-face with one of our Pumas in the award-winning Bank of America Big Cat Falls.

Our newest litter of Giant River Otters, born August 18, 2008.

Amur tiger Kira shows her Phillies support right on her skin.

A wonderful photo of our vampire bats awaiting their next meal.

This beautiful photograph of one of our African wild dogs was taken by Max Lieberman, a member of our Camera Club. Discover them for yourself in African Plains.

Discover amazing birds like this Andean Condor during Raptor Days this weekend!

An emerald tree boa watches a red-eyed tree frog prepare to leap from one branch to another in their shared habitat.

An Aldabra tortoise munches on a treat of fresh watermelon while enjoying a sunny day on Tortoise Trail.

Visitors to the Philadelphia Zoo helped new arrival Gus the Giraffe celebrate his 2nd birthday last week.

Stella (left) gets to know our new male giraffe, Gus, on their first day out together.

Guests to the Philadelphia Zoo watch Cindy, one of our two female hippos, cool off on a hot summer day.

Guests to the Philadelphia Zoo watch our Polar bear cool off on a hot summer day.

Our Amur Tiger Cubs Turn 1 With a Birthday Bash!

This week's photo features one of our Bearded pigs from the island nation of Borneo.

In this photo, a local duck shuttles her babies across Impala Lawn.

A Caribbean flamingo takes a short break.

Peacocks enjoy the warm weather last week as they hunt for seeds in the lawn behind Solitude.

Meet our baby penguin, "Spud"!

Historic Solitude House, on the grounds of the Philadelphia Zoo, surrounded by spring in full bloom.

This week's Photo features Loka, our baby Sifaka.

A member of our Camera Club captured this elegant close-up of feathers from one of our flamingoes.

One of the Philadelphia Zoo's southern ground hornbills gets a special reward toy after a training session with keepers.

One of the Philadelphia Zoo's hippopotamuses takes time from her lunch to mug for the camera.

The Philadelphia Zoo gets a brand-new ZooBalloon!

One of our two Polar bears enjoys a relaxing moment in the sun during a mild winter afternoon.

The Philadelphia Zoo's family of Golden lion tamarins sits for a portrait.

One of the Philadelphia Zoo's three Amur tiger cubs takes a rest during an afternoon of snowy play.

Let's welcome the Zoo's new female red panda Jing Li.

Stella, one of our female giraffes, greets visitors to the Zoo during the warm weather last week.

A beautiful Coscoroba swan drifts gracefully across Bird Lake.

The Zoo's Alligator Snapping Turtle, who lives in the Reptile and Mammal House, is more than 100 years old!

One of the Zoo's Pygmy Marmosets, at play in the Small Mammal House.

Two-year-old female Puma "Sage" plays in the snow.

Santa takes time from his busy schedule to visit with our penguins and other animals during "Santa Days" at the Philadelphia Zoo.

A Southern Ground Hornbill keeps a watchful eye on things at the Philadelphia Zoo

Kira, our Amur Tiger, greets visitors to Bank of America BIG CAT FALLS during the recent 2007 AZA conference held here in Philadelphia.

The Philadelphia Zoo announces the debut of two American alligators in an outdoor exhibit that was just fitted out to house them.