Wild Northerner Magazine Spring 2018 | Page 31

The number in percent of the boreal caribou range in Ontario lost since the late 1800s. The main threats to the animals are habitat loss, degradation and fragmentation due to human settlements and developments such as logging, mining, hydro corridors and roads. They are also at risk to disease and increased predation that comes with big habitat changes.

The average lifespan of the caribou. They are the only member of the deer species in which both sexes grow antlers. The males shed in the fall and the females shed in the spring.

The number in kilograms of lichen one caribou can eat each day. It is the animal’s favourite food source.

A tree needs to be 80 years or older in order to grow the lichens preferred by woodland caribou such as Old Man’s Beard and Witches Hair.

The current estimated number of woodland caribou in Pukaskwa National Park. In the past, the caribou used small islands within the park as safe places to have calves. There have been no caribou observed at the calving islands since 2011.

40-50

10-15

4.5

5-16

Photos supplied by MNRF