birdlife

noun

1. (uncountable)Birds collectively; avifauna.

   “Introduction to California Birdlife describes the representative birds in California's seven major bioregions: ocean, seashore, coastal ranges, Central Valley, mountains and foothills, Great Basin, and deserts.”

   “The prolific bird life around the Inlet was thinning out but grey rosellas and zebras and painted finches made the bush merry[.]”