Balcones Canyonlands Preserve

  Kingdom: Animalia  - multicellular, eukaryotic organisms that consume organic material, breathe oxygen, and are able to move. Phylum: Chordata - animals that have a notochord, dorsal hollow nerve cord, endostyle or thyroid, pharyngeal slits, and a post-anal tail. Class: Aves - characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Order: Passeriformes - Sometimes known as perching birds, passerines are distinguished from other orders of birds by the arrangement of their toes (three pointing forward and one back), which facilitates perching Family: Parulidae - The New World warblers or wood-warblers are a group of small, often colorful, passerine birds that make up the family Parulidae and are restricted to the New World Genus: Setophaga - Most Setophaga species are long-range migrants, wintering in or near the New World tropics and seasonally migrating to breed in N