Bears eating sprouting grass, emerging herbs and expanding aspen leaves. Cubs tasting what mother eats, but ingesting little except milk. Lactating mothers losing weight, others gaining weight slowly. Green plants becoming mature and mostly unpalatable. Ant pupae becoming abundant.
Bears switch to diet of ant pupae.
Males roam widely to find females without cubs. Cubs begin eating solid food. Lactating mothers end weight loss, others gaining weight slowly. All bears gain weight rapidly if the crops are good. Viburnum berries, dogwood berries, wild plums, hawthorn berries, mountain-ash berries, and hazelnuts ripen.