Corythosaurus with an Umbrella Coloring Page A happy Corythosaurus holds an umbrella over its helmet-shaped crest as a few raindrops fall. The large, rounded shapes make this an easy, cheerful page. Try a polka-dot umbrella and a bright crest. Color online Download PDF Print Ages3–5 DifficultyEasy FormatPDF · US Letter (fits A4) PriceFree for home & class