enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Bird measurement - Wikipedia

    en.wikipedia.org/wiki/Bird_measurement

    Measuring the culmen. The upper margin of the beak or bill is referred to as the culmen.The measurement is taken using calipers with one jaw at the tip of the upper mandible and the other at the base of the bill (at the junction with the skull, a measurement called "total culmen") or where the feathers begin (a measurement called "exposed culmen").

  3. Culmen - Wikipedia

    en.wikipedia.org/wiki/Culmen

    A culmen is a top, a summit or a culminating point. It may also refer to: Culmen (bird), the upper ridge of a bird's beak; Culmen (cerebellum), a structure in the brain

  4. Glossary of bird terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_bird_terms

    The colour of a bird's beak results from concentrations of pigments—primarily melanins and carotenoids—in the epidermal layers, including the rhamphotheca. [39] In general, beak colour depends on a combination of the bird's hormonal state and diet. Colours are typically brightest as the breeding season approaches and palest after breeding. [40]

  5. Beak - Wikipedia

    en.wikipedia.org/wiki/Beak

    The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for pecking, grasping, and holding (in probing for food, eating, manipulating and carrying objects, killing prey, or fighting), preening, courtship, and feeding young.

  6. Category:Parts of a bird beak - Wikipedia

    en.wikipedia.org/wiki/Category:Parts_of_a_bird_beak

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  7. Culmen (bird) - Wikipedia

    en.wikipedia.org/?title=Culmen_(bird)&redirect=no

    Beak#Culmen; This page is a redirect. The following categories are used to track and monitor this redirect: To a section: This is a redirect from a topic that does ...

  8. Rostrum (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Rostrum_(anatomy)

    Rostrum (from Latin rostrum, meaning beak) is a term used in anatomy for several kinds of hard, beak-like structures projecting out from the head or mouth of an animal. Despite some visual similarity, many of these are phylogenetically unrelated structures in widely varying species.

  9. Rodrigues rail - Wikipedia

    en.wikipedia.org/wiki/Rodrigues_Rail

    The culmen of the beak was almost straight above the nostril, and the nasal bone was slightly longer than the cranium. The beak was up to 77 mm (3.0 in) long, the lower jaw up to 98 mm (3.9 in) long, and 8 mm (0.31 in) at its greatest depth. The narial (nostril) opening was very long, 66% of the rostrum's length.