. Birds of a Maryland farm : a local study of economic ornithology . a gleaner. Fortunately, however, it is palatable to seed-eatingbirds, and it probably furnishes them a larger proportion of their foodthan any other plant on the farm, a fact which doubtless preventsmuch greater trouble and loss. Another harmful weed is broom-sedge. It is ruinous to mowing and pasture, and spreads so readilythat if undisturbed it would in time take possession of all the fields(PI. XIV, fig. 2). Juncos, field sparrows, tree sparrows, and probably. Fig. 28—Field sparrow. other species check it to some extent. A
. Birds of a Maryland farm : a local study of economic ornithology . a gleaner. Fortunately, however, it is palatable to seed-eatingbirds, and it probably furnishes them a larger proportion of their foodthan any other plant on the farm, a fact which doubtless preventsmuch greater trouble and loss. Another harmful weed is broom-sedge. It is ruinous to mowing and pasture, and spreads so readilythat if undisturbed it would in time take possession of all the fields(PI. XIV, fig. 2). Juncos, field sparrows, tree sparrows, and probably. Fig. 28—Field sparrow. other species check it to some extent. As has been said before, fieldsparrows and tree sparrows are usually to be found associated with the higher part of the hog lot a flock of field sparrows (fig. 28) dur-ing the middle of November, 1899 and 1900, spent most of their timeswaying on broom-sedge stalks, from which they were busily extract-ing seeds. Sometimes a bird alighting on a plant would bend it tothe ground and hold it down with its feet while picking out the seeds;seldom would one feed from the ground in any other manner. At thesame time a flock of about 30 field and tree sparrows along PersimmonBranch behind the truck plot of lot 3 were also feeding on broom-sedge. WEED SEED. 75 An interesting illustration of tree sparrows habits was noticed onthe Hungefford farm during a heavy snowstorm in the third week ofFebruary, 1900. Here and there, where the whiteness of the field waspierced by phalanxes of dry broom-sedge, a flock of a dozen or moretree s
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