Which specific plants do wood bison supplementally browse on during warmer summer months?
Answer
Willow and silverberry
Although wood bison are primarily grazers, their diet demonstrates pronounced seasonal changes based on availability. During the warmer summer months, as the growing season commences, they actively supplement their intake of sedges and grasses by browsing on the leaves of specific woody plants. The text explicitly notes that they consume leaves from willow (Salix spp.) and silverberry during this time, which diversifies their summer forage compared to the winter staples.
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