Home / Trivia / Animals & Nature
Can crows recognize and remember individual human faces?
Confirmed
Yes, and they hold grudges
In University of Washington studies led by John Marzluff, crows scolded people wearing a mask that was worn when the birds were trapped, and kept doing it for years while mostly ignoring other masks.
How many hearts does an octopus have?Which group contains the only mammals capable of true, sustained, powered flight?What can the jellyfish Turritopsis dohrnii do when it is starved or injured?What shape are wombat droppings?Which body part do butterflies mainly use to taste?What color is octopus blood, and why?