The True Ducks are grouped into subfamilies, roughly according to evolutionary relationships (see inside back cover). Current taxonomy sorts them into Dabbling Ducks, Bay (Diving) Ducks, Sea Ducks, Stiff-tails and Whistling Ducks, a schema that will be observed in this book. Swans and Geese are grouped into their own subfamilies and tribes.
Shorebirds are a group of specialized bird families that seen mostly along our coasts and at interior wetlands. A few have evolved to forage in upland areas. They number 210+ species worldwide, with about 50 species breeding regularly in North America.
On birdingquiz.com, you will find many photo quiz options that will help you learn to recognize birds in an area you select, including Marin County. The bird photos are selected randomly, so for any particular bird species you will see pictures of females, males, juveniles, breeding plumages, winter plumages. etc. You can take the same quiz multiple times, and you will get different bird photos each time.
Birdingquiz.com was created by local birder Jim Gray.