. Life histories of North American diving birds : order Pygopodes . be termed purely a wedding dance. Isaw it three times within close range, and each time it was exactly the two birds were swimming together, Tboth dove. They rose to the top ofthe water a few moments later, each holding a piece of moss or weed inthe bill. Instantly they faced each other and rose, treading water„ withbodies half above the surface and necks stretched straight up. They treadedaround, breast to breast, until they made three or four circles, and thendropped down to a normal attitude, at the same time flirti
. Life histories of North American diving birds : order Pygopodes . be termed purely a wedding dance. Isaw it three times within close range, and each time it was exactly the two birds were swimming together, Tboth dove. They rose to the top ofthe water a few moments later, each holding a piece of moss or weed inthe bill. Instantly they faced each other and rose, treading water„ withbodies half above the surface and necks stretched straight up. They treadedaround, breast to breast, until they made three or four circles, and thendropped down to a normal attitude, at the same time flirting the moss outof their mouths and swimming off in an unconcerned manner. The first two performances are typical mating or courting antics, whilethe last is the most significant wedding dance I have ever seen in bird life. Nesting.—The Crane Lake colony, referred to above, was a typicallarge colony of the plains or prairie region. I visited this colonytwo years in succession and made several trips into the slough each U. S. NATIONAL MUSEUM BULLETIN 107 PL. 2. Reedy Lake, Saskatchewan. A. C. Bent.
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