Note 4 — Chapter III · VARIATION
Reading edition
Some egrets, such as the rock-egrets (Demiegretta) of eastern tropical coasts, are normally grey, but may be white, and this whiteness may be confined in individuals to the young or adult states.
Reading edition
Some egrets, such as the rock-egrets (Demiegretta) of eastern tropical coasts, are normally grey, but may be white, and this whiteness may be confined in individuals to the young or adult states.