Nutcracker (bird)
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Nutcracker Bird

The nutcrackers (Nucifraga) are a genus of three species of passerine bird, in the family Corvidae, related to the jays and crows.

The genus Nucifraga was introduced by the French zoologist Mathurin Jacques Brisson in 1760 with the spotted nutcracker (Nucifraga caryocatactes) as the type species.[1][2] The genus name is a New Latin translation of German Nussbrecher, "nut-breaker".[3]

Extant species

The genus contains three species:[4]

Image Scientific name Common Name Distribution
Nucifraga caryocatactes perched Kunice 4.jpg Nucifraga caryocatactes spotted nutcracker Europe and Asia
Nucifraga multipunctata large-spotted nutcracker the Himalayas
Clark's Nutcracker at Crater Lake.JPG Nucifraga columbiana Clark's nutcracker western North America

The most important food resources for these species are the seeds (pine nuts) of various pines (Pinus sp.), principally the cold-climate (far northern or high altitude) species of white pine (Pinus subgenus Strobus) with large seeds: P. albicaulis, P. armandii, P. cembra, P. flexilis, P. koraiensis, P. parviflora, P. peuce, P. pumila, P. sibirica and P. wallichiana, and also the pinyon and lacebark pines. In some regions, where none of these pines occur, the seeds of spruce (Picea sp.) and hazelnuts (Corylus sp.) form an important part of the diet too. Their bills are specialized tools for extracting seeds from pine cones.

Surplus seed is always stored for later use, and it is this genus that is responsible for the re-establishment of their favoured pines over large areas either burnt in forest fires or cleared by man. The nutcracker can store as many as 30,000 pine nuts in a single season, remembering the location of as many as 70% of their stash, even when buried in snow.[5] Nutcrackers will cache seeds as far as 32 kilometres (20 mi) away from parent plants, about eight times farther than related dispersers like jays and crows, and are thus important in re-establishing forests and responding to climate change.[6]

Various insects are also taken, including bee and wasp larvae, and also birds' eggs and nestlings, and carrion if it is found.

Nesting is always early in this genus, so as to make the best use of pine nuts stored the previous autumn. The nest is usually built high in a conifer. There are normally 2-4 eggs laid and incubated for 18 days. Both sexes feed the young which are usually fledged by about 23 days and stay with their parents for many months, following them to learn food storage techniques.

None of the species are migratory, but they will leave their usual ranges if a cone crop failure causes a food shortage.


  1. ^ Brisson, Mathurin Jacques (1760). Ornithologie, ou, Méthode Contenant la Division des Oiseaux en Ordres, Sections, Genres, Especes & leurs Variétés (in French and Latin). Paris: Jean-Baptiste Bauche. Vol. 1, p. 30, Vol. 2, p. 58.
  2. ^ Mayr, Ernst; Greenway, James C. Jr, eds. (1962). Check-list of Birds of the World. Volume 15. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 256.
  3. ^ Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 276. ISBN 978-1-4081-2501-4.
  4. ^ Gill, Frank; Donsker, David, eds. (2019). "Crows, mudnesters, birds-of-paradise". World Bird List Version 9.1. International Ornithologists' Union. Retrieved 2019.
  5. ^ "Yellowstone" BBC2, episode 3"
  6. ^ Tomback, Diana F. (2016). "7". In Sekercioglu, Cagan; Wenny, Daniel G.; Whelan, Christopher J. (eds.). Why birds matter: avian ecological function and ecosystem services. Chicago: University of Chicago Press. p. 201. ISBN 022638263X.

External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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