00000nam 2200000zi 4500 9.897257 CaOODSP 20241203113655 m o d f cr bn||||||||| 201008s1991 bccabd ob f000 0 eng d CaOODSP eng rda CaOODSP n------ n-cn-bc CW66-738/1991E-PDF Butler, Robert William, author. Habitat selection and time of breeding in the Great Blue Heron, (Ardea herodias) / by Robert W. Butler. [Vancouver, B.C.] : University of British Columbia : Environment Canada = Environnement Canada, 1991. 1 online resource (xii, 99 pages) : illustrations, maps, graphs text txt rdacontent computer c rdamedia online resource cr rdacarrier "A thesis submitted in partial fulfillment of the requirements for the Degree of Doctor of Philosophy in the Faculty of Science (Department of Zoology)." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 88-98). "This thesis examines the causes and consequences of habitat selection and timing of breeding of the Great Blue Heron (Ardea herodias). My general hypothesis was that the duration of low tides and seasonal abundance of prey strongly influenced the location of colony-sites; timing of the breeding season; habitat shifts; and the use of space by foraging herons of different age- and sex-classes"--Abstract, page ii. Great blue heron Habitat British Columbia Pacific Coast. Great blue heron Breeding British Columbia Pacific Coast. Grand héron Habitat Colombie-Britannique Pacifique, Côte du. Grand héron Amélioration Colombie-Britannique Pacifique, Côte du. University of British Columbia, issuing body. Canada. Environment Canada, issuing body. PDF 3.49 MB https://publications.gc.ca/collections/collection_2021/eccc/cw66/CW66-738-1991-eng.pdf