White-breasted nuthatch
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White-breasted nuthatches maintain a year-round pair bond and, during fall and winter, the pair hoards food by hiding it in caches throughout its permanent territory. That doesn't sound too complicated, except that they use a different cache location for each item! Белогрудые поползни поддерживают круглогодичную парную связь, а осенью и зимой па...