Different species of vultures of firstly classified into two groups, the old world vultures and the new world vultures. There are thought to be nearly 30 different species of vulture that are found worldwide.
The old world vultures are found in Asia, Europe and Africa with these species of vulture thought to be most closely related to eagles and hawks. The old world vulture is not thought to be closely related to the new world vulture and the old world vulture uses its spectacular sight alone in order to find food.
The new world vultures are found in the Americas and although there are definitive similarities between the old world vulture and the new world vulture, they are believed to be connected through evolutionary status rather than DNA. The new world vultures tend to be slightly smaller than the old world vultures and use both sight and their excellent sense of smell in order to find their food.
All species of vulture are similar in the sense that they scavenge for their food whenever possible rather than killing it themselves. Vultures feed on the remains of dead animals and are never too fussy about what is left. Vultures are known to strip meat, skin and even feathers, leaving only the skeleton of the animal remaining.
Although vultures are generally fairly solitary animals, groups of vultures are often seen circling prey from the sky above. This movement of the vultures is called a kettle and a group of vultures together is sometimes known as a venue.
Vultures have keen eyesight. It is believed they are able to spot a three-foot carcass from four miles away on the open plains. In some species, when an individual sees a carcass it begins to circle above it. This draws the attention of other vultures that then join in.
of the turkey vulture contains strong acids
that kill many of the bacteria commonly
associated with bird feces. Because of their
diet, these birds are able to kill harmful
bacteria and viruses with their stomach
acids, and halt the potential spread of disease
from rotting carcasses.