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18th Annual Smithsonian Magazine Photo Contest Natural World
Symbiose or Vampirism?

According to the study "Red-billed oxpeckers: vampires or tickbirds?" the birds are more like vampires rather than symbionts. https://academic.oup.com/beheco/article/11/2/154/204658

Photo Detail
Date Taken: 07.2018
Date Uploaded: 11.2020
Photo Location: Kenya
Camera: Canon EOS 5D Mark III
Copyright: © Sergey Savvi