Crows and Jays.
"This guide provides an excellent source of reference . . . and consequently deserves acclaim."--Cotinga"All serious birders have already made a habit of purchasing the identification guides in this series, and Crows and Jays will not change their minds. All birders who live in or travel to corvid-rich areas and all those who hold a fascination for corvids will want to own this excellent guide."--Birding