Expressing itself clearly, a Tufted Titmouse vocalizes loudly with a strong scratchy little scolding voice, because it is disturbed by something. Captured with Canon EOS 5D Mark IV with a Canon EF 100-400mm f/4.5-5.6L IS USM Lens with Canon Extender EF 1.4, f/5.6, 1/3200, ISO3200.