An endemic sapotaceous tree Calvaria major found on the island of Mauritius is nearly extinct because its seeds apparently required passage through the digestive tract of the now-extinct dodo Raphus cucullatus to overcome persistent seed coat dormancy caused by a specially thickened endocarp.

DOI: 10.1126/science.197.4306.885
Version: za2963e q8zad q8zb1 q8zc2 q8zd1 q8zef q8zf4 q8zgb