Image: Harpagornis claw vs eagle

Description: Comparison of the huge claws of Harpagornis moorei with those of its close relative the Hieraaetus morphnoides, the “little” eagle. The massive claws of H. moorei could pierce and crush bone up to 6 mm thick under 50 mm of skin and flesh.
Title: Harpagornis claw vs eagle
Credit: Bunce M, Szulkin M, Lerner HRL, Barnes I, Shapiro B, et al.: Ancient DNA Provides New Insights into the Evolutionary History of New Zealand's Extinct Giant Eagle. PLoS Biol 3/1/2005: e9. doi:10.1371/journal.pbio.0030009
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