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begin to swell.  These willows begin growing as soon as the snow thaws away on an early spring in some places in April.

As we came down the hill slope we came upon a beautiful pair of Lagopus rupestris which were walking gracefully along together feeding upon old berries - we were within 20 feet but the birds beyond looking at us curiously paid no heed.  We walked on slowly and the ♂︎ utters a low [[strikethrough]] rr-r-r-r [[/strikethrough]] rolling kr-r-r and the ♀︎ answered with a low clear whistle-like yop like a very faint and clearer utterance of the "yop" "yop" of a hen turkey.

The birds fed along until we were not over 15 ft. and then the male ran along a few feet with his eye membranes erect (these latter I see from another spec. are colored exactly as in albus but are shaped as follows:-  only two filament edged tufts in place of as in [[image]] albus.

The birds shortly took flight for about 100 yds and stopped on the hillside the male lighting upon stiff stretched wings much like albus and at the same time uttering a louder and longer kr-r-r-r-r than before - [[strikethrough]] though [[/strikethrough]].  This note is very similar in quality to the kr-r-r uttered by Anas acuta.

The ♀︎ was sprinkled with gray feathers all over sparingly, but the male had only 3 or 4 dark feathers near the