Search Results for: Fish preserved in forms
"when you have live animals in your care, they demand some respect," he says.
their life-sustaining fluids. blood-feeding likely evolved repeatedly over the course of our planet's history—"perhaps as many as times," according to kvist. bloodsucking creatures have no common ancestor, as the behavior has cropped up independently in birds, bats, insects, fish and other animal groups—a...
https://www.smithsonianmag.com/science-nature/why-world-needs-bloodsucking-creatures-180973670/