Islands of the Vampire Birds
Show: Natural World --> Season: 17 - Season 17
AirDate: 3/14/1999
Runtime:
Voting: 0 (0)

Overview: Wildlife documentary looking at the finches of the Galapagos Islands which have evolved to not only to eat seeds and pick ticks off tortoises but also to drink the blood of the latter.
David Attenborough
Narrator (voice)