American BisonThe largest mammal in North America, an adult male bison can weigh 2,000 pounds! Females are smaller, weighing… https://www.rawpixel.com/image/4028749/photo-image-animal-public-domainFree Image from public domain licenseOriginal public domain image from Flickr https://www.rawpixel.com/image/4026529/original-public-domain-image-from-flickrView licenseFree close up robin bird sitting on stick image, public domain animal CC0 photo. https://www.rawpixel.com/image/5901969/photo-image-public-domain-nature-birdFree Image from public domain license