What evolutionary process explains the superficial similarity between the Potoo and the Frogmouth?

Answer

Convergent evolution

The striking superficial resemblance between Potoos and Frogmouths is identified as a classic textbook case of convergent evolution, where unrelated species independently evolve similar traits due to adapting to similar ecological niches, such as nocturnal hunting and mimicking inert wood.

What evolutionary process explains the superficial similarity between the Potoo and the Frogmouth?
taxonomybirdrelationFrogmouthpotoo