Java sparrow vs weaver finch

Java sparrow and weaver finch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Java sparrow	Yes	No	No	No
weaver finch	Yes	No	No	No

As nouns, weaver finch is a hypernym of Java sparrow; that is, weaver finch is a word with a broader meaning than Java sparrow:

Java sparrow: small finch-like Indonesian weaverbird that frequents rice fields
weaver finch: finch-like African and Asian colonial birds noted for their elaborately woven nests

Other hypernyms of Java sparrow include weaver, weaverbird.

Java sparrow (noun)	weaver finch (noun)
small finch-like Indonesian weaverbird that frequents rice fields	finch-like African and Asian colonial birds noted for their elaborately woven nests