Many users pointed out that the giraffe is not even native to the African nation.
Delta admitted that the original tweet was "inaccurate and inappropriate".
Delta apologised for their choice of photo and released a statement.
We're sorry for our choice of photo in our previous tweet. Best of luck to all teams.- Delta (@Delta) June 17, 2014
"As a global airline, we understand the role images play in shaping global perceptions," it said in the statement.
"We also recognize our responsibility to create messages that are both accurate and inclusive. We take this responsibility seriously.
Atlanta-based Delta, which has nearly 690,000 followers on Twitter, said that it is reviewing its procedures "to ensure that future images and posts reflect both our values and our global focus", reports Fox Sports.
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