Summer: June - August
and Movement, Early and Mid Summer
line of caribou crossing river
credit Amy Gulick
have reached the Coastal Plain
animals that migrate during two main periods of the year, spring and fall,
the Porcupine caribou’s annual migration is divided into 8 major
periods with many smaller movements in between. We will make this simpler
to fit our 4 major seasons- Fall, Winter, Spring and Summer.
June 1 -10:
Weather permitting, the parturient (pregnant or having just given birth)
cows have made their way to the coastal plain. Here there is little to
no snow cover, the cottongrass in full flower and arctic willow leaves
are in bud.
All caribou have now found their way to the coastal plains to find nutritious
food in a safe environment. Cottongrass is past flowering but willow leaves
have emerged. Other plant life(biomass for nutrition) is increasing.
Caribou finding biomass at its peak during this time. Mosquitoes also
at their peak. The herd finds relief with Arctic winds that blow across
the plain to scatter mosquito masses.
July 16-August 7:
Food (biomass) extremely abundant. Mosquitoes tapering off. However, the
parasitic Oestrid flies are peaking.
Follow the Porcupine caribou migration this year:
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