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Three people birdwatching with binoculars. Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science.A birdwatcher may observe by using their naked eye, by using a visual enhancement device such as binoculars or a telescope, by listening for bird sounds, [1] [2] watching public webcams, or by viewing smart bird feeder cameras.
a) General term for standards pertaining to consumer high-resolution TV. b) A TV format capable of displaying on a wider screen (16:9) as opposed to the conventional 4:3) and at higher resolution. Rather than a single HDTV standard the FCC has approved several different standards, allowing broadcasters to choose which to use.
Twitchers watching a mega—Britain's fifth-ever white-tailed lapwing—and probably adding a lifer to their list; see text for explanation of italicised terms. Twitchers' vocabulary is the set of jargon words used by twitchers (committed birdwatchers who travel long distances to see a new species to add a species to their "life list", year list or other list).
A life list, or life-list, is a list of all biological species seen by a person. The action of tracking which biological species you have observed is known as lifelisting. The phrase is particularly common among bird watchers [1] and fishermen, some of whom compete with each other to have the largest list with the most unique speci
First time introduction of a technical term if the term is immediately followed by a non-technical substitute in parentheses. Example (from Fern): A fern is defined as a vascular plant that reproduces by shedding spores to initiate an alternation of generations. New fronds arise by circinate vernation (unrolling leaf formation).
Birdwatching or Birdwatcher may also refer to: Bird Watching (magazine) , a British magazine established in 1986 Birdwatch (magazine) , a British magazine established in 1992
Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
In February 2017, live streaming was introduced to the official YouTube mobile app. Live streaming via mobile was initially restricted to users with at least 10,000 subscribers, [67] but as of mid-2017 it has been reduced to 100 subscribers. [68] Live streams support HDR, can be up to 4K resolution at 60 fps, and also support 360° video. [49] [69]