... It is uncommon among birds for the female to be as brightly coloured as the male. ... A brightly colored female would be much more dangerous for a species which nested in the open.

— David Lack The Life of the Robin (1943)

More quotes by David Lack

Swifts in a Tower (1956)

Swifts in a Tower (1956)

The Life of the Robin (1943)

Quote text and notes from Wikiquote: David Lack (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.