Cyril Ruoso / Verreaux's sifakas (Propithecus verreauxi) in Madagascar ocotillo (Alluaudia procera) trees Berenty, Madagascar.

Jack Dykinga / Ocotillos (Fouquieria splendens) amongst flowering Mexican Poppies (Eschscholtzia mexicana) on east facing slopes, Sonoran Desert National Monument, Arizona, USA

Jack Dykinga / Ocotillos (Fouquieria splendens) after summer rains, amongst Velvet-pod mimosa (Mimosa dysocarpa) in the grassy foothills of the Atascosa Mountains, Coronado National Forest, Arizona

Jack Dykinga / Ocotillos (Fouquieria splendens) established on the Pincata Lava flow, dawn, Cabeza Prieta National Wildlife Reserve, Arizona

George McCarthy / Cactus Wren (Campylorhynchus brunneicapillus) singing, Arizona, USA

Patricio Robles Gil / Agaves {Agave sp} + Ocotillos {Fonquiera sp} Chihuahuan desert, Mexico

Jack Dykinga / Ocotillos (Fouquieria splendens) in flower, Eagletail Mountain Wilderness, Arizona, USA. March.

Jack Dykinga / Ocotillos (Fouquieria splendens) in flower, Eagletail Mountain Wilderness, Arizona, USA. March.

Jack Dykinga / Sunset light bathes the mountains in crimson light, framed by Ocotillos (Fouquieria splendens) and carpet of flowering Bladderpods (Peritoma arborea) across the desert floor following an above average...