dusky long-tailed cuckoo
... that the call of the dusky long-tailed cuckoo is faster in Lower Guinea than it is in Upper Guinea?
... that the call of the <b id="mwBTM"><a href="./Dusky_long-tailed_cuckoo" id="mwBTQ" rel="mw:WikiLink" title="Dusky long-tailed cuckoo">dusky long-tailed cuckoo</a></b> is faster in <a href="./Lower_Guinean_forests" id="mwBTU" rel="mw:WikiLink" title="Lower Guinean forests">Lower Guinea</a> than it is in <a href="./Upper_Guinean_forests" id="mwBTY" rel="mw:WikiLink" title="Upper Guinean forests">Upper Guinea</a>?