Octopuses are highly intelligent, possibly more so than any other order of invertebrates. source
Octopuses are highly intelligent, possibly more so than any other order of invertebrates.
Due to their intelligence, octopuses in some countries are on the list of experimental animals on which surgery may not be performed without anesthesia. source
Due to their intelligence, octopuses in some countries are on the list of experimental animals on which surgery may not be performed without anesthesia.
Cobras are very intelligent, and can learn quickly, which helps them avoid dangerous areas. source
Cobras are very intelligent, and can learn quickly, which helps them avoid dangerous areas.
