Thirsty Butterflies And Bees Find Precious Nutrients In Crocodile Tears Ecological Society of America The butterfly ( Dryas iulia ) and the bee ( Centris sp. ) were most likely seeking scarce minerals and an extra boost of protein . On a beautiful December day in 2013, they found the precious nutrients in the tears of a spectacled caiman ( Caiman crocodilus ), relaxing on the banks of the Río Puerto Viejo in northeastern Costa Rica. A boat carrying students ...
May 1, 2014 - redOrbit