The Unfeathered Bird Detector Rugged design for professional and

Rugged design for professional and long term use

and more efficient than ever

6cm/sec (3/25 knot) to 100cm/sec (2 knots)

- Covers optical spectroscopy

take one overboard

The Unfeathered Bird Detector Rugged design for professional andThere is more to a bird than simply feathers. And just because birds evolved from a single flying ancestor doesn't mean they are structurally all the same. With over 385 stunning drawings depicting 200 species, The Unfeathered Bird is a richly illustrated book on bird anatomy that offers refreshingly original insights into what goes on beneath the feathered surface. Each exquisite drawing is made from an actual specimen and reproduced in sumptuous