Pteronophobia
Specificity
It depends if you are freely tickled, there is not much of a reaction, but if you are tied down you are restrained thus having a stronger impact with every touch to any part of the body
Having or resembling feathers.
No. Any animal with feathers is a bird.
The feathers "take up more room" than the lead. It would be hard to compress the feathers to make them as dense as lead. The feathers have more volume.
It is very likely that all dromeosaurs (the clade to which Deinonychus belonged) had feathers, although for Deinonychus specifically none have ever been found. It is known for a fact that very closely related dinosaurs were feathered and therefore Deinonychus probably was too.
Birds are unique in having feathers; no other modern vertibrate have them, birds are also unique in having a furcula - a wish bone. The therapod dinosaurs had both feathers and wish bones, and it is believed that modern birds evolved from therapods.
Ducks adapted to their environment by having feathers to keep warm. They also have webbed feet that allow them to swim and long beaks to catch food.
thre greathorned owl
All birds have a body covering of feathers. It is sometimes referred to as the bird's plumage.These feathers may be different in structure, depending on the species, but having a body covering of feathers is one of the defining characteristics of birds.
The Tui. A honeyeater (Prosthemadera novaeseelandiae) of New Zealand, having dark plumage with white feathers on the throat. Also called parson bird.For the source and more detailed information concerning this request, click on the related links section (Answers.com) indicated below this answer box.The Tui. A honeyeater (Prosthemadera novaeseelandiae) of New Zealand, having dark plumage with white feathers on the throat. Also called parson bird.For the source and more detailed information concerning this request, click on the related links section (Answers.com) indicated below this answer box.The Tui. A honeyeater (Prosthemadera novaeseelandiae) of New Zealand, having dark plumage with white feathers on the throat. Also called parson bird.For the source and more detailed information concerning this request, click on the related links section (Answers.com) indicated below this answer box.The Tui. A honeyeater (Prosthemadera novaeseelandiae) of New Zealand, having dark plumage with white feathers on the throat. Also called parson bird.For the source and more detailed information concerning this request, click on the related links section (Answers.com) indicated below this answer box.The Tui. A honeyeater (Prosthemadera novaeseelandiae) of New Zealand, having dark plumage with white feathers on the throat. Also called parson bird.For the source and more detailed information concerning this request, click on the related links section (Answers.com) indicated below this answer box.The Tui. A honeyeater (Prosthemadera novaeseelandiae) of New Zealand, having dark plumage with white feathers on the throat. Also called parson bird.For the source and more detailed information concerning this request, click on the related links section (Answers.com) indicated below this answer box.
specificity the quality of having a certain action, as of affecting only certain organisms or tissues, or reacting only with certain substances, as antibodies with certain antigens (antigen specificity).