The phenomenon of species extinction is a natural part of evolution, and a recent study suggests that the loss is not limited to individual species but extends to entire genera of animals.
John James Audubon: Birds of America yale.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yale.edu Daily Mail and Mail on Sunday newspapers.
The Bedford County Master Gardeners recently enjoyed a trip to the gardens at the Arboretum at Penn State and a tour of the Snetsinger Butterfly Demonstration Garden by Centre County