(BLUE HERON.)
+Ardea cærulea+, _Burm. La-Plata Reise_, ii. p. 509. +Florida
cærulea+, _Baird, Brew., et Ridgw. Water-B. N. A._ i. p. 43.
_Description._--Dark bluish plumbeous; head and neck purplish
chestnut; bill blue, blackish at the end; feet black: whole length
20·0 inches, wing 9·0, tail 3·6. _Female_ similar.
_Hab._ North and South America.
This well-known North-American Heron extends far to the south. Natterer
obtained examples at several places in the province of Sao Paolo,
Brazil. Dr. Burmeister tells us that he met with it on the Rio Negro,
and also near Mercedes in the Argentine Republic.