Loreal (scale)
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The lore (adj. loreal) is the region between the eyes and nostrils of birds, reptiles, and amphibians.


Ornithology

In ornithology, the lore is the region between the eye and bill on the side of a
bird's head The Bird's Head Peninsula ( Indonesian: , , meaning Bird's Head in Indonesian and Dutch) or Doberai Peninsula (''Semenanjung Doberai'') is a large peninsula that makes up the northwest portion of the island of New Guinea, comprising the Indones ...
. This region is sometimes featherless, and the skin may be tinted, as in many species of the
cormorant Phalacrocoracidae is a family of approximately 40 species of aquatic birds commonly known as cormorants and shags. Several different classifications of the family have been proposed, but in 2021 the International Ornithologists' Union (IOU) ado ...
family. This area, which is directly in front of the eye, features a "loral stripe" in many bird species including the
red-capped plover The red-capped plover (''Anarhynchus ruficapillus''), also known as the red-capped dotterel, is a small species of plover. It breeds in Australia. This species is closely related to (and sometimes considered conspecific with) the Kentish plover, ...
.


Herpetology

In
amphibian Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...
s and
reptile Reptiles, as commonly defined, are a group of tetrapods with an ectothermic metabolism and Amniotic egg, amniotic development. Living traditional reptiles comprise four Order (biology), orders: Testudines, Crocodilia, Squamata, and Rhynchocepha ...
s, lore pertains to the regions immediately adjacent to the eyes and between the eyes and nostrils. These are analogous to the lore on
bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...
s which corresponds to the region between the eye and the beak. In
snake Snakes are elongated limbless reptiles of the suborder Serpentes (). Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group. Many species of snakes have s ...
s and reptiles, a loreal scale also refers to the
scales Scale or scales may refer to: Mathematics * Scale (descriptive set theory), an object defined on a set of points * Scale (ratio), the ratio of a linear dimension of a model to the corresponding dimension of the original * Scale factor, a number ...
which lie between the eye and the nostril. In crotaline snakes (pit vipers),
loreal pit The loreal pit is the deep depression, or fossa, in the Lore (anatomy), loreal area on either side of the head in pit vipers (crotaline snakes). The area is located behind the nostril and in front of the eye, but below the line that runs between ...
s are present on either side of the head.Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. .


See also

*
Snake scales Snakes, like other reptiles, have skin covered in scales.Boulenger, George A. 1890 The Fauna of British India. p. 1 Snakes are entirely covered with scales or scutes of various shapes and sizes, known as snakeskin as a whole. A scale protects ...
*
Anatomical terms of location Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position pr ...


References

{{Reflist, 40em Bird anatomy Snake scales Reptile anatomy Amphibian anatomy