The Bird Anatomy ClipArt gallery offers 411 illustrations of skeleton diagrams, arteries, digestive system, eggs, feathers, and both internal and external diagrams.
An illustration of the "ailmentary canal of Bluebird, reduced; after Audobon. a,b, gullet or oesophagus;…
"Diomedea brachyura. Short-tailed Albatross. Bill 5.00 or 6.00 inches long, with long, with moderately…
Alimentary canal of a bird. Labels: a, ingluvies; b, proventriculus; c, pancreas; d, duodenum; e, liver;…
Birds usually have three cavities or stomachs. Labels: 1, The esophagus. 2, Ingluvies (crop). 2, Proventriculus…
"h, root of aorta; 1, arch of aorta, to the right side; li, left innominate; ri, innominate; ls, left…
"h, root of aorta; 1, arch of aorta, to the right side; li, left innominate; ri, innominate; ls, left…
"h, root of aorta; 1, arch of aorta, to the right side; li, left innominate; ri, innominate; ls, left…
"h, root of aorta; 1, arch of aorta, to the right side; li, left innominate; ri, innominate; ls, left…
"h, root of aorta; 1, arch of aorta, to the right side; li, left innominate; ri, innominate; ls, left…
"h, root of aorta; 1, arch of aorta, to the right side; li, left innominate; ri, innominate; ls, left…
"Simorhynchus pusillus. Least Auk. Knob-nosed Auk. Bill small and simple. but stout for its length,…
"Simorhynchus pusillus. Least Auk. Knob-nosed Auk. Bill small and simple. but stout for its length,…
"Simorhynchus cristatellus. Crested Auk. Snub-nosed Auk. Bill fundamentally small and simple, compressed-conic,…
"Simorhynchus cristatellus. Crested Auk. Snub-nosed Auk. A beautiful crest of 12-20 slender feathers…
"Another small family, characterized by the extreme length of the slender legs, and the extreme slenderness…
"The arrangement shown in fig. 22, where a, a, a, a, are four barbs in transverse section, viewed from…
"Fig. 21. -A single barbule, baring barbicels and hooklets; magnified; after Nitzsch. ...barbicels (another…
"Speotyto. Burrowing Owls. tarsi long, about twice as long as the middle toe without its claw, very…
Aerial (top) view of Barn Swallow's bill "Hirundo horreorum. Barn Swallow. Bill of moderate size for…
The bill of the Gadwall Duck, showing the comb-like 'teeth' that they are known for.
"Icterus. Orioles. Bill averaging as long as head (more or less); very acute, sometimes decurved." Elliot…
"North American White Pelican. Bill and feet ordinarily yellow; much reddened in the breeding season,…
Arteries of the trunk of a bird. 1: The aorta. 2: The vena cava. 3: A cerebral artery. The small lines…
"Fig. 26 - Parts of a Bill. a, side of upper mandible; b, culmen; c, nasal fossa; d, nostril; e(see…
"Fig. Typical passerine feet. The right hand fig. is plectrophanes lapponicus." Elliot Coues, 1884
"Diagram of the female genital organs of a Bird. c, cloaca; i, intestine; k, kidney; o, ovary with ova…
"Diagram of the urino-genital organs of a male Bird. ad., adrenal body; c, cloaca; i, intestine; k,…
"Fore-limb and hind-limb compared. H., Humerus; R., radius; U., ulna; r., radiale; u., ulnare; C., distal…
"1. Lower mandible. 2. Upper mandible. 3. Forehead. 4. Loral space. 5. Crown of the head. 6. Hind part…
"Right shoulder-girdle or scapular arch of fowl, showing hp, the hypoclidium; f, furculum; Co, coracoid;…
"Diagrammatic section of young bird. n., Spinal cord; v., vertebra; r., rib; L., liver; G., gut; som.…
Skeleton of a bird. 1: The head. 2: Cervical Vertebrae. 3: Dorsal and lumbar vertebrae. 4: Scapula.…
"Disarticulation of bird's skull. Membrane bones shaded. B.Oc., basioccipital; E.Oc., exoccipital; S.Oc.,…
"fig. 25 - Topography of a Bird. 1, forehead (frons). 2, lore. 3, circumocular region. 4, crown (vertex).…
There are two types of classification, homology and analogy. Homology is the fundamental identity of…
"When a new bird is seen, the observer should write an accurate description of it in his notebook, giving…
This illustration shows the leg of a bird. P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA. Tarsus,…
The stomach of a grain-eating bird, which has a gizzard that functions to crush the seeds to pieces…
"Shows how the bones of the arm (a), forearm (b), and hand (c), are twisted, and form a conical screw."—Pettigrew,…
"Footprints resembling those birds are found on red argillaceous sandstones in the valley of Connecticut…
"The senses of touch, smell, taste and hearing are very slightly developed in birds. The organ of sight…
"Botaurus. Bittern. Bill moderately longer than head, shorter than tarsus, which is shorter than middle…
Vertical section of blastoderm of chick (1st day of incubation). S, epiblast consisting of short columnar…
"Scutellate. Foot of bluebird, with laminiplantar and mostly booted tarsus and of the toes." -Whitney,…