Binoculars – an equipment adapted for use by both eyes at once
Bird – the only animal with feathers; all kinds have two legs, lay eggs from which their young are hatched and have wings although some species cannot fly.
Bird Banding – the tagging of wild birds with identification bands or rings for the purpose of bird study
Bird Bath – any shallow enclosure that can be filled with fresh water to attract wild birds to bathe in or drink water from
Bird Call – a vocal sound produced by a bird, usually to communicate with birds of the same specie
Bird Feeding – the providing of supplemental food and water for wild birds
Birdhouse – a man-made nesting place for birds
Bird List – a checklist containing the names of each species of birds seen with a notation on where and when it was observed
Bird Sanctuary – traditionally, a place of refuge where birds are protected from physical harm
Bird Watching – identifying or observing birds in their natural environment
Cavity-Nesters – bird species that require cavities, usually in wood in which to build nests and lay eggs
Dimension – any measurable extent or magnitude, as length, breadth or thickness
Drainage – the means to draw water or any fluid from
Feather – one of the horny, elongated structures which form the body covering of birds and provide the flight surface for their wings
Feeders – a shelf, tray or a relatively elaborate structure where bird food is placed
Field Guide – a small book packed with information about birds which describes and shows pictures while providing the details of each bird that should be looked for
Field Of View – is the width of the scene that is in view
Fledgling – refers to a bird from the time it leaves the nest until it no longer depends on its parents for food
Gleaning – technique used by birds to pick-off insects from trees, branches, walls or the ground
Habitat – the region where a race, specie or individual naturally or usually lives or is found
Hatch – to bring forth a young from the egg by incubation
Incubation – the process of warming the egg
Magnify – to increase the apparent size, as by a binocular
Migration – the act of moving periodically from one region or climate to another
Multiple Brooding – raise two or more broods of young every year
Nest – the habitation prepared by a bird for the hatching of its egg and the rearing of its young
Nestling – refers to a bird from the time it hatches until it leaves the nest
Open Nesters – bird species that will not nest in enclosed areas
Ornithologist – a scientist who specializes in the study of birds
Ornithology – the study of birds
Parasite Species – bird species that lay their eggs in the nest of other species
Perch – a staff, pole, or slat variously used at any place on which birds alight or rise
Predator – an animal that lives by preying upon others
Roost – any place where birds resort to spend the night
Single Brooding – raise only one brood of young every year
Species – a category of animals or plants subordinate to a genus but above a breed, race, strain or variety
Suet – the hard fatty tissues around the kidneys of cattle and sheep
Sweeping – technique used by flying birds where they open their beaks and catch flying insects and eat them while in flight
Territory – an area around the nest usually including feeding habitat that most backyard birds will defend
Ventilation – an opening for the purpose of producing full circulation of air