Animal cognition: the trade-off to being smart.
Great tits that learn to manipulate a device to obtain food in the laboratory go on to lay more eggs in the wild. However, the solver great tits are also more likely to desert their nest.
School of Biology, University of St Andrews, St Andrews KY16 9TH, UK. susan.healy@st-andrews.ac.uk
Susan D
SD
Healy
D000818:Animals; D001522:Behavior, Animal; D052284:Clutch Size; D003071:Cognition; D005260:Female; D008297:Male; D046109:Passeriformes / Q000502:physiology*; D012098:Reproduction