Coiot llop

Infotaula d'ésser viuCoiot llop
Canis latrans var. Modifica el valor a Wikidata

Coiots llop F1 en captivitat, Wildlife Science Center a Forest Lake, Minnesota Modifica el valor a Wikidata
Taxonomia
SuperregneHolozoa
RegneAnimalia
FílumChordata
ClasseMammalia
OrdreCarnivora
FamíliaCanidae
TribuCanini
GènereCanis
EspècieCanis latrans var. Modifica el valor a Wikidata

Un coiot llop o coiot híbrid[1] és un cànid híbrid entre els coiots, els llops grisos o vermells i els gossos. Són un híbrid amb capacitat per a reproduir-se. Tenen una càrrega genètica aproximada d'un 25% llop, d'un 65% coiot i un 10% de gos. La mida no és tan gran com la del llop gris, però si superior a la dels coiots; no superen els 25 quilos de pes de mitjana.

Aquesta barreja entre espècies s'ha donat tant en captivitat com fruit de l'experimentació humana, i també de manera natural als boscos d'algunes zones del sud dels EUA. Tanmateix s'han trobat proves genètiques de la barreja entre espècies en zones verdes del nord-est dels Estats Units i Canadà.[2]

Les seves capacitats adaptatives: es relaciona en llobades socials com les dels llops, però a diferència d'ells, no tenen por a l'home, i per això no és estrany trobar-los prop de nuclis urbans. En les últimes dècades s'han donat molts casos de problemes amb coiots que s'han acostat massa a les ciutats (inclosos molts atacs a gossos) en alguns estats nord-americans. Resulten ser un híbrid que en realitat pot esdevenir un salt micro-evolutiu rellevant encara desconegut en els cànids moderns. La hibridació entre les espècies s'ha vist facilitada pel fet que van divergir fa relativament poc (fa uns 60.000-117.000 anys).

Galeria d'imatges

  • Coiot llop en captivitat
    Coiot llop en captivitat
  • Un altre coiot llop
    Un altre coiot llop

Referències

  1. ↑ TERMCAT. «Resolució 23066 del servei de consultes terminològiques».
  2. ↑ vonHoldt, B. M.; Cahill, J. A.; Fan, Z.; Gronau, I.; Robinson, J.; Pollinger, J. P.; Shapiro, B.; Wall, J.; Wayne, R. K. «Whole-genome sequence analysis shows that two endemic species of North American wolf are admixtures of the coyote and gray wolf». Science Advances, 2, 7, 2016, pàg. e1501714–e1501714. DOI: 10.1126/sciadv.1501714.

Bibliografia

  • Adams, J.R.; Kelly, B.T.; Waits, L.P. «Using faecal DNA sampling and GIS to monitor hybridization between red wolves (Canis rufus) and coyote (Canis latrans)». Mol. Ecol., 12, 8, 2003, pàg. 2175–2186. DOI: 10.1046/j.1365-294x.2003.01895.x. PMID: 12859637.
  • McCarley, H. «The taxonomic status of wild Canis (Canidae) in the south central United States». Southwest. Nat., 1962, 7, pàg. 227–235.
  • Wayne, R.K.; Jenks, S.M. «Mitochondrial DNA analysis implying extensive hybridization of the endangered red wolf Canis rufus». Nature, 351, 6327, 1991, pàg. 565–568. Bibcode: 1991Natur.351..565W. DOI: 10.1038/351565a0.

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