Q 01/05

Which Alaskan national park was created in 1917 chiefly to protect Dall sheep from overhunting?

A) Katmai

B) Glacier Bay

C) Denali

D) Kenai Fjords

Answer · why

C) Denali

Denali opened as Mount McKinley National Park, and its Dall sheep are still among the few in North America that go unhunted by people yet live beside ...

Q 02/05

William Healey Dall, namesake of the Dall sheep, also gave his name to which sea mammal?

A) Sea lion

B) Fur seal

C) Walrus

D) Porpoise

Answer · why

D) Porpoise

Porpoise and sheep each honour a naturalist who was among the first scientists to explore interior Alaska, and Dall's is the largest member of its fam...

Q 03/05

Unlike the antlers of a moose, what is true of the horns on a Dall sheep ram?

A) They grow a velvet skin

B) They branch into points

C) They are never shed

D) They regrow every spring

Answer · why

C) They are never shed

They are never shed: a horn is slow-growing, permanent bone under a hard sheath, so a ram carries the same pair for life and simply adds to it each su...

Q 04/05

Dall sheep start growing horns at about two months old, but which of the animals carry them?

A) Males only

B) Both sexes

C) Only older males

D) Females only

Answer · why

B) Both sexes

Both sexes carry horns, but a ewe's stay short, slender and only slightly curved, which is why a young ram looks just like a ewe until he is about thr...

Q 05/05

What do Dall sheep travel many miles each spring to eat at sites known as mineral licks?

A) Soil

B) Glacier ice

C) Tree bark

D) Seaweed

Answer · why

A) Soil

Soil at these rocky outcrops is loaded with minerals that a diet of plants cannot supply, and several groups of sheep may meet and mingle at a single ...