Shared Flashcard Set

Details

American Wildlife
Raptors
8
Environmental Studies
Undergraduate 4
10/15/2011

Additional Environmental Studies Flashcards

 


 

Cards

Term
[image]
Definition
  • CA, AZ (grand canyon), Utah
  • Resident, but wide-ranging
  • Wilderness, rock outcrops
  • Large carrion (cows, deer, etc)-->follows turkey vulture
  • 1 Egg, can be "double clutched"
  • Monogamous, nest gravel on cliff ledge, altricual
  • Endangered, increasing
Term
[image]
Definition
  • Osprey
  • Cosmopolitan, all continents
  • Migratory-->Canada to Mexico
  • Rivers, lakes, coast, water oriented
  • hover and plunge for fish
  • 3 eggs
  • Nest of large sticks high in snag near water (can nest in power poles)
  • Species of special concern, increasing
Term
[image]
Definition
  • Bald Eagle
  • North America, Canada to US some resident
  • Migratory
  • Coastal areas, large rivers, lakes
  • fish (salmon), waterfowl, carrion-->steal from osprey, can't dive as deep
  • 2 eggs
  • Nest of large sticks, high in large tree near water
  • Increasing, protected by Bald Eagle Act
Term
[image]
Definition
  • Northern Goshawk
  • Holarctric, Canada to US
  • Resident
  • Dense, conifer-dominated forests
  • Small birds/mammals, prefer birds can chase down in trees
  • 3 eggs
  • Nest large sticks in large tree, likes to nest in canopy
  • Most likely growing in east, uncertain, forest service lists as management indicator species
Term
[image]
Definition
  • Swainson's Hawk
  • North America, Argentina+Venezuela in winter
  • Migratory
  • grassland, savannah
  • small mammals, grasshoppers
  • 2 eggs
  • Nest of sticks in isolated tree, re-uses corvid (crow/raven) nests
  • Not listed, species of concern in CA, decreasing
  • Was eating poisoned grasshoppers in Argentina, etc
Term
[image]
Definition
  • Golden Eagle
  • Western N. America
  • Most resident, some move south in winter
  • Open mountains, plains
  • Hares, rabbits, ground sqirrels
  • 2 eggs
  • Nest of large sticks, in large isolated tress on snags/cliffs
  • Stable, uncertain population trends
Term
[image]
Definition
  • Peregrine Falcon
  • cosmopolitan, Canada/AK to Mexico
  • Migratory
  • open wetlands near cliffs, cities
  • birds, ducks, pigeons, doves
  • 3 eggs
  • nest scrape in cliff, ledge of talls buildings/bridges
  • Increasing, delisted in 1999
  • Revered in Middle East, expensive birds, fastest bird alive up to 342 mph

 

Term
[image]
Definition
  • Spotted Owl
  • Western US
  • Down slope migration, some resident
  • Old growth conifer forests
  • Woodrats @ low elevations, flying squirrels @ higher elevations
  • 2 eggs
  • nest cavity in large snags
  • Declining, 2 subspecies threatened (N. Spotted+Mexican)
  • Outcompeted by barred owl
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