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Working with geese, he rediscovered the principle of imprinting ( originally described by Douglas Spalding in the 19th century ) in the behavior of nidifugous birds.

It was first reported in domestic chickens, by the 19th-century amateur biologist Douglas Spalding.

Douglas Alexander Spalding was called the " first experimental biologist ," and worked mostly with birds ; studying instinct, imprinting, and visual and auditory development.

The Northwest District serves the following counties: Bartow, Bibb, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee, Clayton, Cobb, Coweta, Crawford, Dade, DeKalb, Douglas, Fayette, Floyd, Forsyth, Fulton, Gordon, Gwinnett, Haralson, Harris, Heard, Henry, Lamar, Meriwether, Murray, Muscogee, Newton, Paulding, Pike, Polk, Rockdale, Spalding, Talbot, Troup, Upson, Walker, and Whitfield.

Douglas Alexander Spalding ( 1841 – 1877 ) was an English biologist.

Introducing Douglas Spalding.

de: Douglas Alexander Spalding

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He also rediscovered the phenomenon of imprinting, reported in the 19th century by Douglas Spalding but not followed up at the time.

* Douglas Spalding ( 1840 – 1877 ), English biologist