Since we're sharing: seems I have to relocate the official PDF for the Lucas and Stettenheim (1972) handbook every five years or so.
(I checked to be on the safe side: the link still works.)
(I checked to be on the safe side: the link still works.)
Reposted from
Renato Santos
Just now I once more consulted this venerable tome, versing as it does on the beaks, feathers and scales of birds and, as such, very helpfully illustrated, so here it is freely available as a ~79 MB PDF:
Lucas & Stettenheim. (1972). Avian anatomy : integument, search.nal.usda.gov/permalink/01...
Lucas & Stettenheim. (1972). Avian anatomy : integument, search.nal.usda.gov/permalink/01...
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