- One'searsaremoreattunedtosoundsinthedarkerhours–theveryoccasionalshriekofashearwater,theothersoundswithnoknowncause.OnMexico'sNatividadIsland,theblack-ventedshearwaterwasatriskfromtheintroductionofcats,goatsandsheep,butitsNumbersarenowrecoveringfo...
- 16367