Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 23
Specimens with Sequences: 20
Specimens with Barcodes: 20
Species: 7
Species With Barcodes: 7
Public Records: 13
Public Species: 7
Public BINs: 7
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Wikipedia

Stone-curlew

The stone-curlews, also known as dikkops or thick-knees, consist of nine species within the family Burhinidae, and are found throughout the tropical and temperate parts of the world, with two species found in Australia. Despite the group being classified as waders, most species have a preference for arid or semi-arid habitats.

Description[edit]

They are medium to large birds with strong black or yellow black bills, large yellow eyes—which give them a reptilian appearance—and cryptic plumage. The names thick-knee and stone-curlew are both in common use, the preference among authorities for one term or the other varying from year to year. The term stone-curlew owes its origin to the broad similarities with true curlews (which are not closely related). Thick-knee refers to the prominent joints in the long yellow or greenish legs and apparently originated with a name coined in 1776 for B. oedicnemus, the thick-kneed bustard. Obviously the heel (ankle) and the knee are confused here.[1]

Behaviour[edit]

They are largely nocturnal, particularly when singing their loud wailing songs, which are reminiscent of true curlews.[2] The diet consists mainly of insects and other invertebrates. Larger species will also take lizards and even small mammals.[2] Most species are sedentary, but the Eurasian stone-curlew is a summer migrant in the temperate European part of its range, wintering in Africa.

Species[edit]

A fossil species, Wilaru telfordi, has been described from the Late Oligocene to the Early Miocene of Australia. The ten living species are:

PictureNameBinomial name
Burhinus oedicnemus0.jpgEurasian stone-curlewBurhinus oedicnemus
Burhinus indicus, central India.jpgIndian stone-curlewBurhinus indicus
Burhinus senegalensis.jpgSenegal thick-kneeBurhinus senegalensis
Waterdikkop-crop.jpgWater thick-kneeBurhinus vermiculatus
Cape Thick-knee at the Henry Doorly Zoo, Omaha, Nebraska (2006-09-30).jpgSpotted thick-kneeBurhinus capensis
Double-striped Thick-knee.jpgDouble-striped thick-kneeBurhinus bistriatus
Peruvian Thick-knee (Burhinus superciliaris).jpgPeruvian thick-kneeBurhinus superciliaris
Bush Stone-curlew.jpgBush stone-curlewBurhinus grallarius (formerly B. magnirostris, the Bush Thick-knee).
Thimindu 2009 09 27 Yala Great Stone Curlew 2.JPGGreat stone-curlewEsacus recurvirostris
Beach Thick-knee Inskip Pt2.JPGBeach stone-curlewEsacus magnirostris

References[edit]

  1. ^ Kochan, Jack B. (1994). Feet & Legs. Birds. Mechanicsburg: Stackpole Books. ISBN 0-8117-2515-4. 
  2. ^ a b Harrison, Colin J.O. (1991). Forshaw, Joseph, ed. Encyclopaedia of Animals: Birds. London: Merehurst Press. pp. 105–106. ISBN 1-85391-186-0. 
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