Bird Call: American kestrels on decline, nest boxes needed in Colorado to help grow population We all lose if kestrels are extinguished. To improve the bird’s numbers, CARRI has placed nest boxes throughout the Front Range for years. There are … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppSkypeLike this:Like Loading... Related Tags: BirdNews May 20, 2023 by Pumilo Bird News 0