Female Australian superb fairy wrens were found to repeat one sound over and over again while hatching their eggs.
2017年高考英語江蘇卷 閱讀理解 閱讀B 原文
It turns out that baby red-backed fairy wrens also emerge chirping like their moms.
2017年高考英語江蘇卷 閱讀理解 閱讀B 原文
To find out if the special quality was more widespread in birds, the researchers sought the red-backed fairy wren, another species of Australian songbird.