Free Selection by Alexandra Valerio.
A female lion in her exhibit at the Philadelphia Zoo on Monday, Nov. 3, 2018.
What is it by Jiewen Ou.
A goat on Sunday, Dec. 2, 2018 at the Philadelphia Zoo where visitors have an opportunity to get into the goat pen and touch the animals.
Bad Hair Day by Sydney Murphy.
A mare Burchell’s Zebra stands in her yard at the Philadelphia Zoo on Saturday, Dec. 1, 2018.
Bird Portrait by Wyatt Liu Jianxuen.
A peacock roams at the Philadelphia Zoo on Sunday, Dec. 2, 2018.
Bird Portrait by Jamie Cottrell.
Wyandotte chickens are housed with the common barn owl at the Philadelphia Zoo on Thursday, Dec. 6.
Idea of Zoo by Luiza Barreto.
An Olive-headed lorikeet stands on his food bowl and stares at the visitors at The Philadelphia Zoo in Philadelphia on Wednesday, Dec. 5, 2018.
What is it by Dan Chua.
These are feathers from the Caribbean Flamingo. The feathers get their pink color from the birds diet of aquatic insects and crustaceans such as shrimp.
Closer by Nicolas Calabrese. A close look at pinstriped and polka-dotted feathers of the one of the two resident Vulturine Guinea Fowls of the Philadelphia Zoo on the afternoon of April 10, 2018.
Free Selection by Christine Quach. A meerkat takes a break from running around the Meerkat Maze at the Philadelphia Zoo on April 11, 2018.
Resident Portrait by Phil MacNeal. A spotted Mallard duck strolls across the floor of the climate controlled McNeail Avian Center at the Philadelphia Zoo on the afternoon of Tuesday, April 11, 2018.
Close by Bryce Weiss. The back of a Metallic Starling perched on a branch enjoying the warmth of the McNeil Avian Center on April 1, 2018.
Free Selection by Erin Blewett. A peak through the foliage inside the enclosure of a splendid tree frog at the Philadelphia Zoo on Wednesday, April 11, 2018.
Pattern by Christopher Linvill. A Zebra shows his stripes at the Philadelphia Zoo on Tuesday, April 10, 2018.
Close by Jaylah Shannon. A close up shot of feathers from a flamingo at the Philadelphia Zoo on April 10, 2018.
Idea of a Zoo by Adriana Imhof. Two cheetahs lay in a caged area at the Pittsburgh Zoo on Saturday, Nov. 25, 2017. Unfortunately, Zoos limit the overall freedom animals might have experienced in the wild.
Idea of a Zoo by Adriana Imhof. Two cheetahs lay in a caged area at the Pittsburgh Zoo on Saturday, Nov. 25, 2017. Unfortunately, Zoos limit the overall freedom animals might have experienced in the wild.
Bad Hair Day by Thomas Rutherford. A curious peacock frolics around the sidewalk at the Philadelphia Zoo.
Free Selection by Adriana Imhof. Two kangaroos stand on their hind legs while tussling at the Pittsburgh Zoo on Saturday, Nov. 25, 2017.
Free Selection by Olivia Rotondo. A large tortoise slowly walks around his enclosure at the Philadelphia Zoo on Wednesday, Nov. 29, 2017.
Portrait by Tracy Yatsko. A green tree python naps peacefully inside his exhibit at the Philadelphia Zoo on Sunday, Nov. 26, 2017.
Portrait by Adriana Imhof. A gorilla sits against a wall in its cage at the Pittsburgh Zoo on Saturday, Nov. 25, 2017.
Feathered Friend by Geneva Heffernan. A Green Andean Toucan nibbles on fruits at the Philadelphia Zoo, Sunday, April 17, 2016.
Free Selection by Jaymi Crowding. Two North American River Otters, Rocky and Arya, cuddle with one another while keeping warm in the sun at the Elmwood Park Zoo in Norristown, Pa., on Sunday, Apr. 10, 2016
Idea of a Zoo by Khanya Brann. A Black Colombian spider monkey briefly glances through the fence of it’s exhibit at the Philadelphia Zoo, Tuesday, April 19.
What is it by Taylor Spicer. The shell of an Aldabra tortoise shows the texture of the animal at the Philadelphia Zoo on Sunday, April 17, 2016.
Bad hair day by Rob DiRenzo. An emu glares blankly ahead on a warm afternoon at the Philadelphia zoo on Thursday, April 21, 2016.
Animal Portrait by Rob White. A chameleon shows off a wide array of colors at the Philadelphia Zoo on Thursday, April 21, 2016.
Bad hair day by Geneva Heffernan. A Wattled Curassow keeps it’s head poised at the Philadelphia Zoo, Sunday, April 17, 2016.
Animal Portrait by Rob DiRenzo. A sleepy polar bear catches some afternoon sun at the Philadelphia zoo on Thursday, April 21, 2016.
Free Selection by Khanya Brann. A peacock screeches at the crowd gathering near it at the Philadelphia Zoo, April 19, 2016.
Closure by Montana Bassett. A tiger pants beneath the pressure of the heat at the Philadelphia Zoo on April 18, 2016.
Portrait by Jillian Tam. A male Western Lowland Gorilla sits in his exhibit at the Franklin Park Zoo on Franklin Street in Boston, Ma., on Monday, November 23, 2015.
Free Selection by Cara Aguado. A Cotton-Top Tamarin sits on a branch in its cage at the Cape May County Park and Zoo on Friday, November 27, 2015.
Birds by Cara Aguado. Two parrots hang on their cage as one cleans the other at the Cape May County Park & Zoo on Friday, November 27, 2015. Nearly all social birds demonstrate peer grooming and many birds solidify or reinforce pair bonds, family bonds, or flock bonds by grooming one another.
Wing by Erin Onushco. A bat hangs upside down in it’s cage at the Philadelphia Zoo on November 24, 2015.
Bird by Erin Onushco. Toucan sits on a branch at the World of Birds at the Bronx Zoo on Friday, November 27, 2015.
Bird by Nicholas Gales. Male Northern Pintail at the McNeil Avian Center in the Philadelphia Zoo in Philadelphia, Pa. on December 3, 2015. Northern Pintail’s gender can be identified simply by the color on its wing: red for male, green for female.
Out and About by Kevin Chang. A little girl in a pink dress follows the male peacock near the Carousel in the Philadelphia Zoo on Saturday April 18, 2015.
Something that Flies by Mary Kate Mallon. A parrot turns away from his meal in the bird exhibit at the Philadelphia Zoo on Tuesday, April 21, 2015.
Family by Dionna Scott. Children and two adults walk through the dynamic design of the KidZooU: Hamilton Family Children’s Zoo on Saturday, April 19, 2015.
Child by Tonii Mackie. Jesse, 4, taps the glass where an alligator snapping turtle stands in its tank at the Philadelphia Zoo on Wednesday, April 22, 201. When it is hungry, the alligator snapping turtle opens its mouth and stays still, waiting to lure fish into its mouth.
Spring by Margo Reed. A baby sits in flowers at the Philadelphia Zoo on April 21, 2015.
In Flight by Margo Reed. Doves fly out of their small ban at the Philadelphia Zoo on April 21, 2015.
Child and Adult b Jenny Kerrigan. Ashley Juelg and her son Gunner, 3, visit the Philadelphia Zoo on Thursday, April 23, 2015.
Children by Shauna Bannan. A child follows his guardians looking tired and uninterested. Like many of the children at the zoo on April 28, this boy had his face painted as an animal.
Editorial by Casey Kallen. The zoo was once a place I remembered from my childhood as educational, fun, and filled with beautiful creatures. As I get older I realize that the zoo is not the place that lives in my memories. Instead, these memories are replaces with those of sadness and deprivation of one of life’s basic necessities; freedom.
Idea of a Zoo by Yu Du (Freya). A Gorilla suddenly jumps onto the box near the glass attracting many people around him.
Birds by George Holevas. A Rainbow Lorikeets perches on a branch in the Lorikeet Encounter exhibit.
Bad Hair Day by George Holevas. A Queen Victoria Pigeon basks in the sun shining through the bird house.
Free selection by Anna Ryan.
Bad Hair Day by Anna Ryan. Two Spectacled Langurs cuddle up with each other occasional closing their eyes at the Philadelphia Zoo on April 25, 2014. They are known for looking lazy, but they are really just digesting their food.
Zoo Portrait by Sarah Thompson. A Queen Victoria pigeon freezes in its tracks at the Philadelphia Zoo on November 25, 2013.
Abstract Zoo by Weimei Sun. The winter sunshine at the Philadelphia Zoo on November 25, 2013.
Family by Maggie Andresen. The flamingo parents fish in the small pond while their offspring play nearby. Afternoon of Monday, November 25, 2013.
Zoo the Idea by Edward Newton.
Bad Hair Day by Maggie Andresen. The Royal Pigeon is having a regally bad hair day at the bird house in the Philadelphia Zoo, Monday, November 25,2013.
Portrait by Susan Dong. A pygmy marmoset poses for a portrait at the Small Mammal House at the Philadelphia Zoo.
Sculpture by Maggie Andresen. A deserted carousel, waiting for riders, stands alone and hauntingly beautiful on the afternoon of Monday , November 25, 2013.
Bad Hair Day by Ashley Kim. A plucky peacock looks down in the dumps due to a bad hair day at the Philadelphia Zoo located in historic Fairmount Park on the chilly afternoon of November 25, 2013.
Sculpture by Weimei Sun. The Antelope sculpture at the Philadelphia Zoo on November 25, 2013. The photographer took this picture inside the fountain.
