Mallard

1. Silhouette - tail rides high out of water

2. not breeding plumage - dark eye line

dabbling and diving ducks

well adapted for swimming, diving, floating

"spatulate bill with nail on tip"

Northern Pintail

1. Long black tail

2. Slender and elegant; long-necked

3. white neck stripe

Blue-winged Teal

1. White crescent behind bill/blue face

Green-winged Teal

1. Rufous/green face

Raptors

Predatory, carnivorous, sharp talons + hooked bills, steep dive

pigeons and doves

relatively small heads and bills, short legs, strong direct flight, low cooing calls, feed on seeds and fruit

Grebes:

herons, egrets, bitterns

(wading birds)

Brown creeper*

small and nuthatch like

slender and downcurved bill

climbs up main parts of tree using tail as prop

Lesser goldfinch

yellow underparts contrast with black and white wing, black crown and olive back

American goldfinch

bright yellow overall, black wings with white edging, black cap and forehead

Hairy woodpecker 

(larger bill)