adaptation
adjustment
alaska
arctic
beautiful
blue
breed
brown
canine
coat
cold
colored
conditions
deep
different
dog
domestic
eyes
fierce
frost
fur
gaze
harsh
head
heterochromia
husky
icy
inuit
leader
mammal
natural
nordic
pack
pale
penetrating
pet
piercing
polar
racing
scandinavia
siberia
sledding
snow
strong
timid
transport
white
winter
wolf