Harvest mouse and New World mouse

Harvest mouse noun - Any of several small greyish New World mice inhabiting e.g. grain fields.

New World mouse and harvest mouse are semantically related. In some cases you can use "New World mouse" instead a noun phrase "Harvest mouse".

New World mouse noun - A variety of rodent.

Harvest mouse and New World mouse are semantically related. Sometimes you can replace phrase "Harvest mouse" with "New World mouse", this phrases are similar.