Topic
Animal Biology
How animal bodies, senses, and nervous systems solve problems in very different ways.
Start Here
- Why Cats Have Vertical PupilsA cat's vertical pupil is not simply a better light valve. Its shape is strongly associated with a particular ecological niche: small, lowtotheground ambush predators that are active across a wide range of light levels.
Go Deeper
- Octopus IntelligenceOctopus intelligence is interesting precisely because it is not vertebrate intelligence in an eightarmed costume. Complex learning and flexible behavior evolved here in a lineage separated from vertebrates by more than half a billion years.