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Two poorly placed cacti more than 50 years ago have turned into a full-scale invasion. It's prompting calls for people to ...

Cactus ferruginous pygmy owls are named for the saguaro cactuses they live in ... These tiny owls have become synonymous with wild Sonoran Desert: Endangered Species Act protections for the owl ...

These cacti, commonly known as star cactus or sand dollar cactus, are native to south Texas and northern Mexico. Their ...