Gagak: Perbedaan antara revisi

'''Gagak''' adalah anggota [[burung pengicau]] (Passeriformes) yang termasuk dalam [[genus|marga]] ''Corvus'', [[familia|suku]] [[Corvidae]].

* {{cite book|authors=Burton, Maurice & Burton, Robert|chapter=Crow|title=The international wildlife encyclopedia, Volume 10|publisher=Marshall Cavendish|year=2002|isbn=978-0-7614-7266-7|url=http://books.google.com/books?id=ojMQP6aWW6sC&pg=PA610}}

* {{cite journal|ref=idGill2003|title=Osteometry and Systematics of the Extinct New Zealand Ravens (Aves: Corvidae: Corvus).|url=http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=149547.|author=Gill, B. J.|journal=Journal of Systematic Palaeontology|year=2003|volume=1|pages=43–58|accessdate=2008-03-14|doi=10.1017/S1477201903001019}}

* Gill, B. J. (2003): Osteometry and 1: 43-58. (HTML abstract) {{DOI|10.1017/S1477201903001019}}

* {{cite book|ref=idGoodwin1983|author=Goodwin, D.|title=Crows of the World|isbn=0-7022-1015-3|year=1983|publisher=Queensland University Press}}

* {{cite book|ref=idHeinrich1991|author=Heinrich, Bernd|title=Ravens in Winter|isbn=0-679-73236-5|year=1991|publisher=Vintage Press}}

* {{cite book|ref=idHeinrich1999|author=Heinrich, Bernd|title=Mind of the Raven: Investigations and Adventures with Wolf-Birds|isbn=978-0-06-093063-9|year=1999|publisher=Cliff Street Books}}

* {{cite book|ref=idKilham1991|author=Kilham, Lawrence|title=The American Crow and the Common Raven|isbn=0-89096-466-1|year=1991|publisher=Texas A&M University Press}}

* {{cite book|ref=idWorthy2002|authors=Worthy, Trevor H. & Holdaway, Richard N.|title=The Lost World of the Moa: Prehistoric Life of New Zealand|isbn=0-253-34034-9|year=2002|publisher=Indiana University Press}}