"Wisdom begins with putting the right name on a thing"
(Old Chinese Proverb)
Vocabulary
1.  Ornithology
2.  Sexual dimorphism
Resources
Species to Know
Mourning Dove
Killdeer
Cardinal
American Goldfinch
Turkey Vulture
Bald Eagle
Chickadee
Canada Goose
Blue Jay
European Starling
Northern Mockingbird
Red-Winged Blackbird