Sentences with phrase «rock ptarmigan»

Other wildlife that spend winters on the Arctic archipelago like the Svalbard rock ptarmigan (Lagopus muta hyperborea), the sibling vole (Microtus levis), and the Arctic fox (Vulpes lagopus) are undoubtedly affected by these extreme weather events, but researchers focused on the wild Svalbard reindeer (Rangifer tarandus platyrhynchus).

And then, using data collected by other scientists on three predator - prey pairs — mink - muskrat, gyrfalcon - rock ptarmigan and phage - Vibrio cholerae — they show how their theory could explain unexpected population cycles.