CROWS

Crows are one of the largely populated bird species in the world. Being unafraid of human presence and with the baffling inborn intelligence they are smart enough to make trouble over humans. The tricks that used by crows for finding food and building nest reflects the unmatchable intelligence of this species of bird.

Intelligent habits of Crows

— Crows have the largest brain in bird species except for some special species of parrots. They are intelligent enough to recognize the human faces and to hide their food from other birds. Crows are also known for using different tools for their own advantages.
— Crows make closer observations on the human world to find food. For example crows used to drop the nuts in traffic lines to break the husks to get food. They also know how to break nuts by dropping on rough surfaces.
— Crows used different tools like stones and pebbles to attack predators in the world of birds.

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Summary… kunguru hafugiki

They are also adept at asking for fare and not coming … despite being sent more than the required amount!

They also know how to study their victims and use them to their own advantages without breaking a sweat.