论文信息 - of Nebraska - Lincoln of Nebraska - Lincoln Tool-Making and Tool-Using in the Northern Blue Jay Tool-Making and Tool-Using in the Northern Blue Jay

of Nebraska - Lincoln of Nebraska - Lincoln Tool-Making and Tool-Using in the Northern Blue Jay Tool-Making and Tool-Using in the Northern Blue Jay

Laboratory-raised Northern blue jays ( Cyanocitta cristata ) have been observed tearing pieces from pages of newspaper and utilizing them as tools to rake in food pellets which were otherwise out of reach. The frequency of this behavior was depen dent

A. Kamil | T. B. Jones | Thony B. Jones