SURVEY POINTS STUDY BUILDINGS
FOREST IMPERVIOUS GRASS
OMNIVORE AND GROUND FORAGING BIRD GROUPS HAVE LOWER RISK FOR COLLISION
SITE MAP
Window collisions kill 1 billion birds every year
GUILD
CARNIVORE GRANIVORE INSECTIVORE OMNIVORE 0.0
0.2 0.4 0.6
FOLIAGE GLEANING BIRD GROUPS HAVE HIGHER RISK