Animals at the Chicago Zoological Society’s Brookfield Zoo received leftover Christmas trees as treats in their enclosures. The trees were Douglas firs, which can grow to be over 1,000 years old and are the state tree of Oregon. The Douglas fir is a valuable timber resource used for construction and furniture making, and is commonly used as a Christmas tree.
Key Points
Douglas firs can grow to be over 1,000 years old
The Douglas fir is the state tree of Oregon
The species can be found from western British Columbia through central California
Douglas firs are the second-tallest tree species in the world
Pros
Douglas firs provide habitat for many creatures
Valuable timber resource used for construction and furniture making