Nevertheless, we recommend the inclusion of a qualitative or quantitative metric of P6 feather color pattern in classification analyses on the basis of field morphometrics (or digital photos of the flight feathers
(a) the same relative position that the testing samples are selected in the same proportion position on flight feather
shafts of the long-eared owl, pigeon, and golden eagle,
At necropsy each bird was examined for wing flight feathers
(remiges) and tail flight feathers
(retrices) that contained vascular pulp.
The last feather I found that day was a crow flight feather
, in remarkably good shape with little abrasion.
The little owl had lost several vital flight feathers
and was facing death without the imping operation, which is not usually carried out on wild birds.
As is true of almost all owls, finely fringed flight feathers
produce nearly silent flight, allowing an owl to sneak up on unsuspecting prey.
Unlike most birds, ducks lose all of their flight feathers
at once, rendering them flightless for a month or so.
To wing-clip a pigeon, extend a wing and clip off the ends of the longer flight feathers
, which are the biggest feathers extending back.
Upon studying the fossilized hatchling, scientists deduced that it already had a full set of flight feathers
. This reinforces the idea that enantiornithes birds hatched from the egg ready to fly.
to name: let's watch the sons, blood in their flight feathers