7:00 a.m. - 7:20 a.m. Light Continental Breakfast and Refreshments

7:30 a.m. - Giraffes

8:00 a.m. - Chimpanzees

8:30 a.m. - Gorillas and Red River Hogs

HOUSTON, Texas (KTRK) -- Calling all photographers!The Houston Zoo is giving people a neat chance to show off their photography skills to take pictures of animals before the zoo opens.Photo Day is April 15 from 7 to 9 a.m.Photographers of all skill levels will be able to see the animals during the time of the day when they are most active. Plus, they will get a light breakfast before they head out into the zoo.Tickets for Photo Day are available now.Early registration is online only through April 14 and is $32 for zoo members and $49 for non-members. General registration is April 15 and is $37 for members and $54 for non-members. Children under the age of 2 are free.Go to the Houston Zoo website for more information.