Marshall, 1942 Buteo plagiatu̅s Lake Okonenga Jan 28 ♀ 1804 taken as perched in tree near farmhouse. Jan 31 ♀ 1837 taken in trees on hillside in canyon back of camp. Jan 29 One flushed from trees in grassland or gentle slope w camp - seen many times, but far outnumbered by B. magnirostris Call ~ B. borealis but not as loud nor long. Seen often circling over fields - seen twice up washes in colinas. Always single. Chilata May 6 A pair of ad. seen in wooded canyon 2560 very tame - perched on sm. tree in gorge of canyon.