3), revealed symmetrical gaps in the flight feathers
TABLE 3--Multiple logistic regression parameters (B [+ or -] SE) resulting from three alternative models (sixth primary flight feather
[P6] vertex angle, P6 modal score, and P6 mean score) for assigning loggerhead shrikes of uncertain sex to males or females, on the basis of genetically sexed individuals (n = 54).
Owl centre director Craig Wesson said: "When he was brought in, his flight feathers
down one wing were missing - they were right down to the base.
Two others escaped because their flight feathers
regrew faster than their flock-mates, so when they flapped their wings as they approached the corral, their rejuvenated feathers carried them away.
The long flight feathers
on the wing also aided in silencing flight.
The adult is mainly brown except for the paler head and neck, blackish flight feathers
, distinctive white tail, and yellow bill and legs.
We have a lovely magpie, Frederica, rescued from a trap that had cut her flight feathers
off one wing.
We don't know what sort of bird it is; at first we took it to be a baby magpie but now that it's a little older - it patently isn't; it's the size of a jackdaw but has a huge beak like a crow and it makes a noise like a crow but it has white flight feathers
It is best to clip both wings, leaving just a few of the primary flight feathers
at the end for a better cosmetic result.
Trimming the primary flight feathers
on one wing will keep them from flying away, although domestic birds may willingly stay in the comfortable surroundings you provide.
The Four-Winged Dinosaur: Microraptors and the Bird Origin Debate is the DVD rendition of an episode from the public television series NOVA, detailing the discovery of and scientific experiments surrounding fossils of an amazing, recently discovered dinosaur species microraptor, a small dinosaur with flight feathers
on all four of its limbs
The purpose of trimming flight feathers
is to prevent the bird from flying too far or too high.