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. 2019 Mar 20;5(3):eaav1139. doi: 10.1126/sciadv.aav1139

Fig. 4. Decline of spawning cutthroat trout and response by bears, eagles, and osprey.

Fig. 4

(A) Mean number of spawning adult cutthroat trout observed (solid line) and proportion of visits where activity by black and grizzly bears was found (dashed) during weekly spawning visual surveys of 9 to 11 tributaries located along the western side of Yellowstone Lake (1989–2017). (B) Number of nests (solid line) and nest success (dashed) during May to August 1987–2017 for osprey and (C) during April to June 1985–2017 for bald eagles, within approximately 1 km of the Yellowstone Lake shoreline, connected tributaries, and forested islands.