Shared Flashcard Set

Details

Blue Grouse
Test on Blue Grouse
13
Environmental Studies
Undergraduate 2
11/15/2015

Additional Environmental Studies Flashcards

 


 

Cards

Term
How many subspecies are there?
Definition
4
Term
What is the distribution of blue grouse?
Definition
They are native to the mountainous ranges of north america
Term
When is Autumn migration?
Definition
Late September, early October
Term
When is spring migration?
Definition
Late march, early April
Term
Where do blue grouse breed?
Definition
Forest habitats from sea level to the alpine/subalpine ecotone

Old growth coastal rainforests

Shrub/steppe grassland communities >1 mile from a forest edge

Early successional forests created by clearcutting and fire
Term
What is the brood rearing habitat?
Definition
open, mesic sites with lush herbaceous vegetation
Term
What is the blue grouse diet?
Definition
80-100% plant matter, primarily conifer needles
Term
What is the mating display?
Definition
Flutter-flight display, 3-4 feet high circular flight
Term
What is the breeding behavior of the blue grouse?
Definition
Polygynous
Breeding is late march to early april
Term
What is the clutch size?
Definition
1-12, average 6
Term
What is the annual survival rate?
Definition
65-75% for males
40-70% for females
Term
How does clearcutting affect blue grouse?
Definition
Positively, increase populations for 15-20 years
Term
What are the effects of grazing?
Definition
Degrades habitats
Supporting users have an ad free experience!