Cuteness alert: Brown Betty (a bantam cochin chicken) broods her small flock of chicks.

One of the youngsters has clambered onto her back, the others poke out from under her generous bustle or peer at the world from under her wing. These birds continue a long dinosaurian tradition: their extinct forebears and kin incubated eggs and were solicitous parents.

For cute Archosaurs and more, Sarah’s blog has pictures of the tumbling profusion of baby animals that have greeted the spring at Cudzoo Farm.