Is anybody out there? Cuttlefish embryos can tell Sophie De Wilde/Gamma-Rapho via Getty
CUTTLEFISH can see and respond to threats while still in the egg. Even more impressively, they can learn to recognise predators by sight days before they hatch.
鈥淭hey are pretty smart,鈥 says Anne-Sophie Darmaillacq of the University of Caen Normandy in聽France.
Many animals are forced to fend for themselves from the moment they hatch. Some fish and amphibians can sense the outside world while still in the egg聽and start preparing for the conditions they will face. For instance, salamanders exposed to聽the scent of predators while in聽the…
