As the climate becomes warmer and drier, suitable conditions for aspen trees are becoming less common. A recent study spanning decades found "significant aspen mortality especially in young and ...

47.7 x 59.8 cm. (18.8 x 23.5 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

It was early spring in the Lamar Valley, and this pack was in search of its next meal. Watching from a distance, Devon saw them heading towards this patch of aspens and thought it would make a ...