tattler vs sandpiper

tattler and sandpiper both are nouns.

Word	Noun	Adjective	Verb	Adverb
tattler	Yes	No	No	No
sandpiper	Yes	No	No	No

As nouns, sandpiper is a hypernym of tattler; that is, sandpiper is a word with a broader meaning than tattler:

tattler: any of several long-legged shorebirds having a loud whistling cry
sandpiper: any of numerous usually small wading birds having a slender bill and piping call; closely related to the plovers

tattler (noun)	sandpiper (noun)
any of several long-legged shorebirds having a loud whistling cry	any of numerous usually small wading birds having a slender bill and piping call; closely related to the plovers
someone who gossips indiscreetly