As endangered birds lose their songs, they can't find mates CHRISTINA LARSON, AP Science Writer March 16, 2021 FacebookTwitterEmail 3 1of3This 2016 photo provided by Murray Chambers shows a male regent honeyeater bird in Capertee Valley in New South Wales, Australia. The distinctive black and yellow birds were once common across Australia, but habitat loss since the 1950s has shrunk their population to only about 300 wild birds today. (Murray Chambers via AP)Murray Chambers/APShow MoreShow Less 2of3This 2015 photo provided by Lachlan Hall shows male regent honeyeater birds in Capertee Valley in New South Wales, Australia. The distinctive black and yellow birds were once common across Australia, but habitat loss since the 1950s has shrunk their population to only about 300 wild birds today. (Lachlan Hall via AP)Lachlan L. Hall/APShow MoreShow Less