Which preposition to use with ouzels

along Occurrences 1%

But the woods seemed deserted and empty; only those cheerful, impudent little bundles of feathers, the snowbirds, and an occasional, darting water-ouzel along the creeks.

at Occurrences 1%

A few ducks are usually seen sailing on the lake, apparently more for pleasure than anything else, and the ouzels at the head of the rapids sing always; while robins, grosbeaks, and the Douglas squirrels are busy in the groves, making delightful company, and intensifying the feeling of grateful sequestration without ruffling the deep, hushed calm and peace.

Which preposition to use with  ouzels