Yes, BUZZARDS is a Scrabble word!

Letter values in Scrabble US: B 3, U 1, Z 10, Z 10, A 1, R 1, D 2, S 1.

Is it a valid word?

BUZZARDS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a New World vulture that is common in South America and Central America and the southern United States
the common European short-winged hawk

Also: turkey buzzard, turkey vulture, cathartes aura, buteo buteo.