Europe and North and Central Asia (Palaearctic): Arctic fox, Alopex lagopus
Foxes (Vulpes species, Urocyon species, and Alopex lagopus
When non-native predators including the arctic fox (Alopex lagopus
) and red fox (Vulpes vulpes) were introduced to these islands as early as the 18th century, the goose population plummeted and eventually reached a low of fewer than 800 (Amaral 1985).
However these same protocols and modifications of these protocols have failed to preserve spermatozoa collected from the endangered blue fox (Alopex lagopus
The scientific name for all arctic foxes is Alopex lagopus
. All three names were counted as correct for this contest.
Bureau of Biological Survey (BBS) was given the responsibility of enforcing Alaska fur laws, including the blue-fox, Alopex lagopus
, industry in the Aleutian Islands, which required an extensive inventory of wildlife resources.
Species Common name Aegolius funereus Tengmalm's Owl Strix uralensis Ural Owl Strix aluco Tawny Owl Bubo virginianus Great Horned Owl Nyctea scandiaca Snowy Owl Buteo lagopus Rough-legged Buzzard Circus cyaneus Northern Harrier Accipiter gentilis Goshawk Falco tinnunculus Eurasian Kestral Alopex lagopus
Arctic fox Species Literature citations Aegolius funereus Korpimaki (1987, 1989) Strix uralensis Pietiainen (1988), Pietiainen and Kolunen (1993) Strix aluco Southern (1970) Bubo virginianus Houston and Francis (1995) Nyctea scandiaca Portenko (1972) Buteo lagopus Hagen (1969) Circus cyaneus Simmons et al.
The Arctic fox (Alopex lagopus
), reindeer (Rangifer tarandus), musk-ox (Ovibos moschatus), lemmings (Lemmus, Dicrostonyx), and Middendorff's vole (Microtus middendorffi) are some of the commonest and most typical of all circumpolar mammal species.
Circumpolar size variation in the skull of the arctic fox Alopex lagopus
. Polar Biol.
It was an arctic fox - a male Alopex lagopus
. By November, he would skitter across the polar ice like a ball of pure white fluff.
Age determination in the arctic fox (Alopex lagopus
Dietary responses of Arctic foxes Alopex lagopus
to changing prey availability across an Arctic landscape.
Group size in canids may also vary intraspecifically as a result of differences in food size and availability (Bekoff et al., 1984), as observed for the bat-eared fox (Otocyon megalotis) (Nel, 1990), and the Arctic fox (Alopex lagopus
) (Angerbjorn et al., 2004).
multilocularis depends on the arctic fox (Vulpes lagopus, formerly Alopex lagopus
) or domestic dog (Canis lupus familiaris) as its definitive hosts, and human infections are caused by ingestion of infective eggs distributed with the feces of these hosts.
With the cooperative efforts of many federal and state agencies and private landowners, particularly in controlling nonnative Arctic foxes (Alopex lagopus
) on the nesting islands, the goose has recovered from fewer than 1,000 individuals in 1975 to more than 37,000 today.