grey-hooded parakeets
... that grey-hooded parakeets make twittering and warbling sounds similar to those made by barn swallows?
... that <b id="mwB48"><a href="./Grey-hooded_parakeet" id="mwB5A" rel="mw:WikiLink" title="Grey-hooded parakeet">grey-hooded parakeets</a></b> make twittering and warbling sounds similar to those made by <a href="./Barn_swallow" id="mwB5E" rel="mw:WikiLink" title="Barn swallow">barn swallows</a>?