Do common grackles deserve their bad reputation? Learn why they're cooler than you think — and why scientists are watching ...

Like the common grackle, in the sunlight, they appear to have a blue/purplish color tone. However, their broad, fan-shaped tails set them apart. Their heads are flat, not rounded like boat-tailed ...

The male Brewer’s is more strongly glossy, showing blue on head and green on body ... although a few show yellowish eyes. Common grackle has a long, graduated tail often held in a deeply ...