Mostly because I can, and also because it is a pet peeve of mine.
NO NOSTRILS!!!
Quote from: Madge, S. and Burn, H. 1999. Crows & Jays. Princeton University Press, New Jersey. [link]
Photo credits:
Black Currawong: JJ Harrison via Wikimedia Commons Australian magpie: Aviceda via Wikimedia Commons
Blue Jay: DickDaniels via Wikimedia Commons Green Jay: Alan Wilson via Wikimedia Commons Eurasian Jay: Mark Medcalf via Wikimedia Commons Clark’s Nutcracker: Jason Popesku via Wikimedia Commons Black-Billed Magpie: David Merrett via Wikimedia Commons Green Magpie: Thomas Ruedas via Wikimedia Commons Rufous Treepie: Jon Connell via Wikimedia Commons Pander’s Ground-Jay: Alastair Rae via Wikimedia Commons Alpine Chough: Ken Billington via Wikimedia Commons
Common Raven: David Hofmann via Wikimedia Commons American Crow: cuatrok77 hernandez via Wikimedia Commons Jackdaw: Tony Hisgett via Wikimedia Commons House Crow: J.M.Garg via Wikimedia Commons Jungle Crow: aomorikuma via Wikimedia Commons White-Billed Crow: Josep del Hoyo via The Internet Bird Collection New Caledonian Crow: original author unknown via Google Search Pied Crow: Lip Kee Yap via Wikimedia Commons White-Necked Raven: Greg Hume via Wikimedia Commons Thick-Billed Raven: original author unknown, via Wikimedia Commons White-Necked Crow: ZankaM via Wikimedia Commons Australian Raven: Brett Donald via Wikimedia Commons
Rook: Andreas Trepte Grey Crow: Brian J. Coates via The Internet Bird Collection Grey Crow: mehdhalaouate via The Internet Bird Collection
Of course, currawongs and aust magpies are in the "mud-nest" family, these are possubly related to the ancestors of crows, because crows apparently originated in Australia. Also, birds of paradise are descended from crows.
And now that I've been alerted to their existence, I'm now curious what function (if any) nasal bristles have.
Also, I like how it says "Green Jay", even though the bird shown is extremely blue : )
One of my favorite jays!
Excellent guide, by the way. Next time I draw a bird, I'll check to see if it has nasal bristles or not.