- Brains body ratio:
- Crow: 1:50, similar to chimpanzee
- Pigeon: 1:150
- Bird brain packs neurons more densely than mammals
- NCL (nidopallium caudilaterale) in bird brain is similar to prefrontal cortex in mammal brain
- Crow forebrain neuron number also similar to primates
- Aesop’s fable: thirsty crow dropping stones into pitcher to get water level high. Repro’ed in modern experiments, crows had same success rate as 5b year olds
Next: Crows eyes