Green Hermit hummingbirds have an elongated body and long beak which makes them uniquely able to be flexible in their approach to flowers and flight in general.
The Angola or Namibia Giraffe, which is now only rarely found in Angola but is still free-roaming in Namibia, is a desert adapted mammal. It can go for weeks without water and can close its nostrils completely to ward off against dust.
The heart of a giraffe is very large and can weigh more than 25 pounds. As the blood must travel a long way from the heart to the head, a giraffe’s blood pressure is approximately double that required by humans. Giraffes, furthermore, have unusually high heart rates for their size, at 150 beats per minute.
The horns of...