Zoo

Bird Portrait by Justin Oakes. A flamingo scratches its back with its beak at the Philadelphia Zoo on the afternoon of Friday, April 12, 2019.

Free Selection by Justin Oakes. Dimitri, a tiger, roars at his twin brother at the Philadelphia Zoo on the afternoon of Friday, April 12, 2019.

Birds by Todd Centeio. A pat of Flamingoes playing in their feathers at the Philadelphia Zoo on Friday, April 12, 2019.

Bird Portrait by Hannah Burns. A peacock shows off its tail-feather at the Philadelphia Zoo on April 17, 2019.

Free Selection by Hannah Burns. Batu, a Sumatran orangutan, appears deep in thought at the Philadelphia Zoo on April 17, 2019.