As the only pigeon or dove to have such long head and neck feathers, these colorful birds are easy to identify. Their white tails act as a signal and way to stay in contact with other Nicobar pigeons.
Sauromalus varius An example of island gigantism, they are the largest of the five species of chuckwalla and are considered the most endangered. Once,…
Tragelaphus spekii The sitatunga is a semi-aquatic antelope uniquely adapted for life in African swamps and marshes, with splayed hooves and flexible joints that…