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facts about BOP
Question | Answer |
---|---|
what are aves? | the Latin word for birds; a special class of vertebrates |
what is binocular vision? | seeing only one object at a time; both eyes focus on the same object |
what is a bird of prey? | a carnivorous bird (hawk, falcon, eagle, etc.) that kills and eats small mammals and other birds |
what is a carrion? | decaying flesh of a dead body |
what is a cere? | fleshy area above the beak, where the nostrils of most birds are located |
what are contour feathers? | stiff feathers designed to cover the wings and body of a bird |
what is a crop? | a large sac between the esophagus and stomach that stores food until the bird is ready to begin digestion |
what are down feathers? | fluffy feathers designed to help insulate and keep a bird warm |
what is a drag? | anything that hinders or hampers the speed; something that pulls you down |
what is the fledge? | the rearing of a young bird until it has grown its feathers and is able to fly and leave the nest |
what are flight feathers | special contour feathers that help a bird get off the ground, move in the air, and land safely |
what is a fovea? | a rodless area of the retina enabling a bird of prey acute vision |
what is a gizzard? | a special muscle of the stomach that helps the digestive process by grinding and crushing hard-to-digest food; acts like teeth |
what is a keratin? | a tough, fibrous protein; the basic substance of hair, nails, horns, feathers, shafts, etc. |
what is molt? | to shed feathers, skin, horns, etc. before replacement with new growth |
what is monocular vision? | seeing two different objects at the same time; a different object per eye |
what is nictitating membrane? | a transparent third eyelid hinged at the lower lid of the eye of raptors, and closes laterally across the eye |
what is an ornithologist? | an individual that studies birds |
what is a pellet? | - the unusable and undigested material that a bird cannot process for nutrients, and is regurgitated in the form of a pellet |
what is preening? | a process that most birds do with an oil secreted from a special gland; involves rubbing the oil over its feathers to protect them |
what is a raptor? | of or belonging to a group of birds of prey, such as hawks, eagles, falcons, vultures, owls, etc.; Latin word meaning to seize or capture |
what is a shaft? | the stem of a feather; the hollow tube that holds the feathers together and in place |
what are talons? | the lethal weapons of raptors; powerful feet with toes (usually three or four) having sharp ends |
what are vertibrates? | an animal with a backbone or spinal column |
what is warm-blooded? | being able to control and maintain a constant body temperature even when the temperature of the environment changes |
what are wings? | either of the paired organs of flight of a bird, bat, insect, etc. |