David J. Gillcrist

@davidjgillcrist.com

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Mathematician • PhD Candidate • Science Educator • Unabashedly Confused Person • Dad Website: davidjgillcrist.com I research differential geometry-informed optimal experimental design Banner: Rings of dry ice vapor trapped by acoustic radiation force

Picture taken of the moon through a large observatory telescope with craters visible across its surface.

Legend of Zelda: Wind Waker screenshot of Link sailing on his personal red sailboat and companion named the King of Red Lions. Wind streaks pass by him as seagulls fly above on his journey to Dragon Roost island silhouetted in the distance. src: https://64.media.tumblr.com/2aa8fdb24edf2d7e658ef0b7627cda82/90bee5b0a80324c5-7e/s540x810/3e768626ef57637ce3bc925ad1d021416c26bcbd.gifv

A presumably AI-generated portrait of Sir Isaac Newton with no known attributed artist. src: https://socialstudieshelp.com/isaac-newton-pioneer-of-modern-physics/

Title: are there two species of animals that prey on each other?

Body: I'm curious if there are 2 totally different species of animals that prey on each other. I supposed humans and sharks is one example. But are there examples that do not include humans? Clarification: I'm not talking about cannibalism where members of the same species prey on each other.

"Dunning-Kruger" effect graph on Wikipedia page