Woolfenden glen e and john w fitzpatrick (2 risultati)

215 x 137mm; laminated pictorial wraps, a little sunned on spine; signed by co-author Glen E. Woolfenden on title page; signed by previous owner (ornithologist Gordon L. Maclean) on half-title; pp. xiv + 406, incl. index; illustrated with maps, graphs, tables and a colour frontis. Very good condition. "Florida Scrub Jays are an excellent example of a cooperative-breeding species, in which adult birds often help raise offspring not their own. For more than a decade Glen E. Woolfenden and John W. Fitzpatrick have studied a marked population of these birds in an attempt to establish a demographic base for understanding the phenomenon of 'helping at the nest.'".…

Octavo,406 pp.,graphs, inscription, grubby softcover, signed by the author.