Then I looked again, and it was a marabou stork.
"Sketches of the East Africa Campaign" by Robert Valentine Dolbey
You're looking rather weedy, standing on one leg like a marabou stork!
"A harum-scarum schoolgirl" by Angela Brazil
One of the largest of these storks is the marabou.
"Harper's Young People, May 11, 1880" by Various