Otto the Octopus is an intelligent invertebrate who confounded humans

This story about Otto the Octopus from National Public Radio, illustrates the intelligence of octopuses. Otto is a resident at an aquarium in Germany.

How is an Octopus Smarter than a 5th Grader? – Salmon in the Tree

Octopuses Create an “Origin of Intelligence” Conundrum

Octopuses Are Highly Intelligent. Should They Be Farmed for Food? - Yale E360

The Mind of an Octopus

Otto, Fact

Cephalopod intelligence - Wikipedia

What Do We Owe the Octopus?

Highly Intelligent: What Octopus and Human Brains Have in Common

What the octopus tells us about human intelligence

Back to Nature - Free Otto.

Octopus (Common) - Octopus and Humans Young People's Trust For the Environment