The animal of the day is the Dove. (Did you know: Doves and Pigeons make up the famiy Columbidae, and the terms ‘dove’ and ‘pigeon’ are actually used interchangeably. Doves are just the ‘pretty’ pigeons.
Unlike most other birds (but see flamingo), the doves and pigeons produce “crop milk“, which is secreted by a sloughing of fluid-filled cells from the lining of the crop. Both sexes produce this highly nutritious substance to feed to the young.