How long is your head, mate?

Photo: Jennifer Guyton / 2018 Wildscreen Panda Awards

Keeping track of the health of vultures in Gorongosa, Mozambique, requires taking accurate measurements of every captured individual.   Above, Ayla Kaltenecker, aspiring young scientist, measures the head of an endangered White-backed Vulture (Gyps africanus).   The 'White-backed' is Africa's most common vulture, but is rapidly declining.
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BarrytheBirder