graznar bedeutet auf Englisch

caw [cawed, cawing, caws]▼(to make the cry of a crow, rook, or raven)
verb
[UK: kɔː] [US: ˈkɒ]The crow caws. = El cuervo grazna.

quack [quacked, quacking, quacks]▼(to make a noise like a duck)
verb
[UK: kwæk] [US: ˈkwæk]The duck quacks. = El pato grazna.

squawk [squawked, squawking, squawks]▼(to make a squawking noise)
verb
[UK: skwɔːk] [US: ˈskwɒk]The seagull squawks. = La gaviota grazna.