slaty-backed forktail
... that the call of the slaty-backed forktail can easily be mistaken for that of the Blyth's kingfisher?
... that the call of the <b id="mwAZE"><a href="./Slaty-backed_forktail" id="mwAZI" rel="mw:WikiLink" title="Slaty-backed forktail">slaty-backed forktail</a></b> can easily be mistaken for that of the <a href="./Blyth's_kingfisher" id="mwAZM" rel="mw:WikiLink" title="Blyth's kingfisher">Blyth's kingfisher</a>?