Vigilant

Definitions: (1) ever awake and alert; (2) keenly watchful to detect danger or trouble; wary; (3) on the lookout for opportunities to do good

Quote: An owl is traditionally a symbol of wisdom, so we are neither doves nor hawks but owls, and we are vigilant when others are resting.  Urjit Patel (1963-) Indian economist

Observation:
Birds are always vigilant even while busily feeding or drinking.

Symbols: 1) the cock; 2) the rooster atop of a weather vane