Ailmentary Canal of Bluebird

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An illustration of the “ailmentary canal of Bluebird, reduced; after Audobon. a,b, gullet or oesophagus; c, proventriculus; d, gizzard; e, f, h, intestine; i, cloaca” (Forbush, 1907).


Bird Anatomy


Edward Howe Forbush Useful Birds and Their Protection (Boston, MA: Massachusetts State Board of Agriculture, 1907)


TIFF (full resolution)

727×2400, 321.7 KiB

Large GIF

310×1024, 40.0 KiB

Medium GIF

193×640, 21.5 KiB

Small GIF

96×320, 8.3 KiB