Consumer Reports (Jan. 2) – Optimal indoor humidity for furry pets is generally the same as it is for humans, so using a humidifier to reduce dryness can be worthwhile, says Gene Pavlovsky, medical director of the Veterinary Medicine South Clinic at the University of Illinois College of Veterinary Medicine in Urbana. Tropical animals may need additional humidity to mimic their natural environments. Krista Keller, assistant professor of zoological medicine at the U of I veterinary school, advises owners of parrots—particularly species like Amazons and macaws—to take their birds into the bathroom when they shower. “That way, they get those nice, hot, humid water vapors,” she says.
https://www.consumerreports.org/humidifier/why-the-right-home-humidity-matters-a4457720331/