the.com/tit

A small, feisty bird that acts tough until the feeder runs out.

means A small, active songbird (chickadees, titmice, and their relatives) known for its bold, acrobatic foraging and oversized attitude.

from Tit arrived in English from Old Norse or a related Scandinavian source around the word 'titr,' meaning something small — the same tiny root shows up in 'titmouse,' where 'mouse' has nothing to do with rodents but comes from an old word for small bird ('mase'). So 'titmouse' literally doubled down on smallness, and 'tit' alone became shorthand for any little bird with big energy.

name origin
tit meant small from old Norse
brain power
can remember thousands of hidden food caches
also means
british slang for breast, hence giggles
blue tit
can open milk bottle lids for cream
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