RC McGregor has recorded 1,899 feathers on a Savannah sparrow … and 6,544 on a glaucous winged Gull … Miss Phoebe Knappen has reported 11,903 feathers on an adult female mallard … the bird being one that had died from phosphorus poisoning".
In 1877 Richard Bowdler Sharpe recognised two species, but recorded that the feather bases of the type specimen of C. coronoides were white.
The frequency of strong feather pulls recorded electronically increased with age but was not related to mortality.
3. The fossil record suggests that feathers evolved in connection with gliding and flying, rather than as insulation, or as part of an apparatus for catching insects, as Ostrom ([1974, 1979]) had suggested.
Industry analysts said the settlement might indeed represent a partial victory for MP3.com and for Mr. Robertson, who has ruffled many feathers in the recording industry by asserting that traditional music business models have been outdated in the Internet era.
Pattern of detachment of feather fibrils were recorded by periodic observation of the treated feathers using compound light microscope at 10X magnification and scanning electron microscopy.
A number of feather mites have been recorded in the genus, including Proctophyllodes glandarinus on firecrest.
A number of feather mites have been recorded in the genus Regulus; these mites live on fungi growing on the feathers.
The probe was held perpendicular to the surface of the feathers and illumination and recording angles were both 90°.
Feather pecking behaviour was recorded by video camera during 3 h and the number of FP bouts was counted for each hen.
