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  2. Identification key - Wikipedia

    en.wikipedia.org/wiki/Identification_key

    Identification key. In biology, an identification key, taxonomic key, or biological key is a printed or computer-aided device that aids the identification of biological entities, such as plants, animals, fossils, microorganisms, and pollen grains. Identification keys are also used in many other scientific and technical fields to identify ...

  3. National Animal Identification System - Wikipedia

    en.wikipedia.org/wiki/National_Animal...

    The National Animal Identification System, (naisG) is a government-run program in the United States intended to extend government animal health surveillance by identifying and tracking specific animals. [1] Administered at the federal level by the Animal and Plant Health Inspection Service, a branch of the United States Department of ...

  4. Animal identification - Wikipedia

    en.wikipedia.org/wiki/Animal_identification

    Animal identification. Calf identified with ear tag and transponder. Animal identification using a means of marking is a process done to identify and track specific animals. It is done for a variety of reasons including verification of ownership, biosecurity control, and tracking for research or agricultural purposes.

  5. Radio-frequency identification - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_identification

    Radio-frequency identification ( RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a transmitter. When triggered by an electromagnetic interrogation pulse from a nearby RFID reader device, the tag transmits ...

  6. Identification (biology) - Wikipedia

    en.wikipedia.org/wiki/Identification_(biology)

    Identification in biology is the process of assigning a pre-existing taxon name to an individual organism. Identification of organisms to individual scientific names (or codes) may be based on individualistic natural body features, [1] experimentally created individual markers (e.g., color dot patterns), or natural individualistic molecular ...

  7. Bird - Wikipedia

    en.wikipedia.org/wiki/Bird

    Over 40% of key traits found in modern birds evolved during the 60 million year transition from the earliest bird-line archosaurs to the first maniraptoromorphs, i.e. the first dinosaurs closer to living birds than to Tyrannosaurus rex. The loss of osteoderms otherwise common in archosaurs and acquisition of primitive feathers might have ...

  8. Field guide - Wikipedia

    en.wikipedia.org/wiki/Field_guide

    Field guide. A field guide is a book designed to help the reader identify wildlife ( flora or fauna or funga) or other objects of natural occurrence (e.g. rocks and minerals ). It is generally designed to be brought into the "field" or local area where such objects exist to help distinguish between similar objects. [1]

  9. Squirrel - Wikipedia

    en.wikipedia.org/wiki/Squirrel

    Squirrels are generally small animals, ranging in size from the African pygmy squirrel and least pygmy squirrel at 10–14 cm (3.9–5.5 in) in total length and just 12–26 g (0.42–0.92 oz) in weight, to the Bhutan giant flying squirrel at up to 1.27 m (4 ft 2 in) in total length, and several marmot species, which can weigh 8 kg (18 lb) or more.

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