How squids outsmart their predators - Carly Anne York
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-squids-outsmart-their-predators-carly-anne-york ...
========== In the ocean’s depths,
two titans wage battle: the sperm whale and the colossal squid. Sperm whales use echolocation
to hunt these squid for food, but even against this gigantic animal,
squid can put up an impressive fight. Scientists know this because on the bodies
of washed-up whales, they frequently find huge,
round suction scars, emblazoned there by large,
grasping tentacles. Ranging in size from
this giant’s impressive 14 meters to the 2.5 centimeters
of the southern pygmy squid, these creatures fall into the group
of animals known as cephalopods. There are about 500 squid
species worldwide, and they live in all the world’s oceans, making them a reliable food source
for whales, dolphins, sharks, seabirds, fish, and even other squid. Indeed, squid themselves
are fe...