panafe.blogg.se - El negro del whatsapp nombre

Hybridisation with white-winged black tern Its call has been described as a high-pitched «kik» the sound of a large flock has been called «deafening». The wing-beats are full and dynamic, and flight is often erratic as it dives to the surface for food similar to other tern species. surinamensis, is distinguishable from the European form in all plumages, and is considered by some to be a separate species. The plumage of the upperparts is drab, with pale feather-edgings. In non-breeding plumage, most of the black, apart from the cap, is replaced by grey. These marks vary in size and are not conspicuous.

There are greyish-brown smudges on the ides of the white breast, a downwards extension of the plumage of the upperparts. There is a big dark triangular patch in front of the eye, and a broadish white collar in juveniles. They have a dark grey back, with a white forewing, black head, neck (occasionally suffused with grey in the adult) and belly, black or blackish-brown cap (which unites in color with the ear coverts, forming an almost complete hood), and a light brownish-grey, ‘square’ tail. The bill is long, slender, and looks slightly decurved. They have short dark legs and a short, weak-looking black bill, measuring 27 mm (1+ 1⁄ 16 in), nearly as long as the head. lake) swallow». The species name is from Latin niger «shining black». In some lights it can appear blue in the breeding season, hence the old English name «blue darr». The genus name is from Ancient Greek khelidonios, «swallow-like», from khelidon, «swallow»: another old English name for the black tern is «carr (i.e. As its name suggests, it has predominantly dark plumage. The black tern ( Chlidonias niger) is a small tern generally found in or near inland water in Europe, Western Asia and North America.

Chlidonias niger surinamensis – fumarel común americano.

Chlidonias niger niger – fumarel común eurasiático.

Se conocen dos subespecies de Chlidonias niger: Se alimenta de insectos, peces pequeños, crustáceos y larvas de anfibios. Anida de mayo a junio, poniendo tres huevos en una única nidada, en un hueco tapizado por juncos, en marismas. Su voz es un reclamo corto, chirriante, bajo.

Se distribuye por toda Europa, Asia, África y América. Es un ave migratoria común, y es visible sobre marjales, lagunas, salinas, pantanos y arrozales. Suele agruparse en bandadas, en primavera en invierno suele vérsele en números más reducidos. Es de aspecto delicado, pequeño, de color gris oscuro, con cabeza, pecho y vientre negros. El fumarel común o gaviotín negro ( Chlidonias niger) es una especie de ave caradriforme de la familia Sternidae.