The Collaborative International Dictionary
Squawked
Squawk \Squawk\ (skw[add]k), v. i. [imp. & p. p. Squawked (skw[add]kt); p. pr. & vb. n. Squawking.] [See Squeak.] To utter a shrill, abrupt scream; to squeak harshly.
Squawking thrush (Zo["o]l.), the missel turush; -- so called from its note when alarmed. [Prov. Eng.]
Wiktionary
squawked
vb. (en-past of: squawk)