peck at vs eat

peck at and eat both are verbs.

Word	Noun	Adjective	Verb	Adverb
peck at	No	No	Yes	No
eat	No	No	Yes	No

As verbs, eat is a hypernym of peck at; that is, eat is a word with a broader meaning than peck at:

peck at (verb)	eat (verb)
eat like a bird	cause to deteriorate due to the action of water, air, or an acid
	take in solid food
	eat a meal; take a meal
	take in food; used of animals only
	use up (resources or materials)
	worry or cause anxiety in a persistent way