Camels at the Zoo! April 8 is National Zoo Lovers Day and it would be a perfect day to visit a zoo and be one of the millions of people who visit them each year. Enjoy seeing your favorite animals swinging from the trees or splashing in the water and have a fun filled day. Dromedary camels have one hump, tallest of the camels, known as Arabian camels, weighing up to 1,320 lbs. Ruminates, chewing the cud after eating.