Thank you! Now I understood.
Two different things - "below average snow in winter" and "snow free winter season - no snow"
When snow is less, the hawks still migrate at first snow but there are more snow free areas in the forest. Squirrels proliferate.
When there is no snow, the hawk does not migrate at all. Since the predator does not go away, the number of squirrels fall.
Makes sense?
Quote:
Two different things - "below average snow in winter" and "snow free winter season - no snow"
When snow is less, the hawks still migrate at first snow but there are more snow free areas in the forest. Squirrels proliferate.
When there is no snow, the hawk does not migrate at all. Since the predator does not go away, the number of squirrels fall.
Makes sense?
Statistics : Posted by mrfrantic • on 01 Sep 2018, 03:30 • Replies 6 • Views 4028
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