“[The] cured animals are not quite as good as other ... “It seems a trivial defect for those of us who are not color-blind, but it does close a lot of avenues,” says Jacobson.

Retinas use two main types of light-sensitive cells to allow animals to see ... more work," said McComb, who did not take part in the new study. Color-Blindness to Save Rare Sharks?

That’s the gist behind Saturday’s Weird Animal Question of the Week from TJ Skelton, who asks via Facebook: “Can a color-blind animal still tell if another animal is [venomous], even if they ...

Color blindness is not always a disadvantage, according to University of Calgary primatologist Amanda ... “Two things could have happened;there may have actually been some advantage for color-blind ...