Jizz (birding)

Jizz is a term originally used by birders to describe the overall impression or appearance of a bird garnered from such features as shape, posture, flying style or other habitual movements, size and colouration combined with voice, habitat and location. The concept is so useful however, that it since has been adopted increasingly widely by field biologists in referring to the impression of the general characteristics of other animals.[1][2][3] It similarly appears in such fields of observational biology as microscopy.[4] Ecologists and botanists may speak of "habitat jizz" or the jizz of a plant.[5]

Sean Dooley described jizz as "the indefinable quality of a particular species, the 'vibe' it gives off" and notes that although it is "dismissed by many as some kind of birding alchemy, there is some physical basis to the idea of jizz."[6]

Experienced birders can often make reliable identifications in the field at a glance by utilising jizz. Often jizz is useful for identifying to the family or genus level, rather than the species level. For example, "It definitely had the jizz of a thrush, but I couldn't see what kind."

The origin of the word is a mystery. There is a theory that it comes from the World War II air force acronym GISS for "General Impression of Size and Shape (of an aircraft)", but the birding term was first recorded earlier than that in 1920.[7] More likely, jizz is a corruption of gestalt, a German word that roughly means form or shape,[8] or more specifically from the word gist which has the same meaning.

References

  1. ↑ Dave Madden (2 August 2011). The Authentic Animal: Inside the Odd and Obsessive World of Taxidermy. St. Martin's Press. pp. 127–. ISBN 978-1-4299-8762-2.
  2. ↑ Hugh Harrop (2004). Shetland sea mammal report 2003. Shetland Sea Mammal Group.
  3. ↑ Andrew Tyzack (30 June 2013). Drawing and Painting Insects. Crowood Press, Limited. pp. 147–. ISBN 978-1-84797-625-3.
  4. ↑ Paul F. S. Cornelius (1995). North-West European thecate hydroids and their medusae: Keys and notes for identification of the species. Field Studies Council. ISBN 978-1-85153-254-4.
  5. ↑ Paul L. Smith (2012). Indicator Plants: Using Plants to Evaluate the Environment. Lulu.com. pp. 3–. ISBN 978-1-904098-36-2.
  6. ↑ Dooley, Sean (2005). The Big Twitch. Allen & Unwin. p. 78. ISBN 978-1-74114-528-1.
  7. ↑ "Oxford English Dictionary Online". Retrieved 2008-10-21.
  8. ↑ "The Etymology of Jizz". Retrieved 2012-08-23.

External links

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