![Biologist Don Swann peers toward Tucson from Saguaro National Park -- North. © Kaite Fletcher, 2018](http://arizonasonorannews.com/wp-content/uploads/2018/11/IMG_1897-500x333.jpg)
Climate change and the national park’s saguaro cactuses
Kaitlyn Fletcher
• December 5, 2018
![A native cactus bee (Diadasia rinconis) sits on its preferred flowering plant. Photo by: © Bruce Taubert](http://arizonasonorannews.com/wp-content/uploads/2018/10/3430-500x307.jpg)
Native bees do it better
Kaitlyn Fletcher
• October 2, 2018
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