animal brood clutch dinosaur eggs extinct hatch hatchling herbivore herbivorous model nest quadruped reptile science Triceratops autumn bloom colorado desert deserts fall flowers mountain mountains october plains plants prairies priairie sage sagebrush flower grow growing prairie spring wild wild flower wild flowers yellow bright brightly change color lake lakes leaf leaves season seasons tree trees board cutout direction information isolated news post red roof sign signs tablet timber warning wood wooden arch blue brown bushes clouds green rocks sky Utah white Window Rock Australia botany grass magenta Melbourne naturalised nature oxalis petal pink plant Terrestrial plant wood sorrel bighorn sheep springtime Tan Abitibi CaCanada day forest landscape Québec river sunny valley water