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- Field Mouse and Wood Mouse
Field Mouse and Wood Mouse - Red-bellied Woodpecker
Centurus carolinus If you look for a red belly on this bird, you might miss him entirely. Look instead for the red crown and nape, the heavily-barred back and wings and grayish-white under parts. The female lacks the red crown, only the nape showing this brilliant coloring. These birds are about the same size as Hairy Woodpeckers (9 to 10½ inches) and are rather shy, spending much of their time in wooded areas. Bird feeders supplied with corn and nut meats with ample pieces of suet will bring them to your yard. Their natural food consists of beetles and other insects, together with a generous helping of wild fruits, seeds, acorns and when available, some corn. It also relishes both juice and pulp of oranges. Like other woodpeckers, the Red-bellied excavates nesting holes in trees where their 3 to 5 eggs are laid. Starlings often are waiting to take over these newly-constructed homes and form a real menace to these hard-working birds. - Red-Rumped Agouti
The Agouti are now small or small groups united in forest-rich plains, especially in the densest forests of the river valleys; some are in the mountains up to an altitude of 2000 M. - The application of both straps
The application of both straps - Unio Batava
- Ceropegia Meyeri
Ceropegia Meyeri - Eagle
Eagle - The Flipper of a Whale compared to the hand of man
In the bones and in their arrangement there is a close resemblance in the two cases, yet the outcome is very different. The multiplication of finger joints in the whale is a striking feature. - Yak, from Oriental Annual
- Digestive system in humans
The stomach has been cut across a short distance from the pyloric valve, and removed, to show the viscera which lie behind it. The descending aorta and the vena cava rest upon the vertebral column. They are crossed by the pancreas and the transverse portion of the duodenum. The head of the pancreas is enclosed by the curvatures of the duodenum. The ducts of the liver and pancreas are seen entering the descending duodenum side by side. - Swans
Pen and Ink Drawing - Blossom of Cucurbita
Mother-Aphis and Her Army of Children on Tube Whilst engaged some few years ago in the study of the species that affects the blossoms of one of our gourds—the Cucurbita ovifera of botanists—certain phenomena were observed, which promised an easy and speedy solution of the problem. Gathered in compact masses, like companies of soldiery preparing for a foray, hundreds of aphides were seen, busily feeding, all over the flowers. There were old and young, not an indiscriminate mingling of ages and sizes, but an orderly arrangement of families, each family preceded by its own appropriate head. First came the very young of each family, only to be followed by those that were older, leaving the oldest of all to lead up the rear. - Land Crab
- A Wolf
- Prairie dog
The name "Prairie Dog," which has gradually been given civil rights, was given to this animal by the old Canadian trappers or fur hunters, who discovered it, and whose attention was drawn mainly by the barking sound, which makes it heard. In his external appearance is nothing, which reminds the Dog. His vast abodes, which, because of their size, are called "villages", are regularly found on somewhat low-lying meadows, where an ornate grass species forms a beautiful carpet and also makes it easy for the animals to obtain food. - A Section approximately at Right Angles to the Long Axis of the Heart
A Section approximately at Right Angles to the Long Axis of the Heart, exposing the Four Valves which lie very nearly in the Same Plane. The semilunar valve which guards the aperture of the pulmonary artery is the nearest to the breast-bone. - European Ground Squirrel
European Ground Squirrel - Rabbit
Rabbit - Arctotis Decurrens
Arctotis Decurrens - Muskrat
The Muskrat inhabits the countries of North America, which are located between 30 and 60° N.B. This animal is most common in water-rich Canada and Alaska. The grassy banks of great lakes or of wide, slow-flowing rivers, of silent streams and marshes, are the abodes of this highly sought-after Rat for its fur; prefers to settle on the sides of not too large, reed-covered ponds. - White Pelican
Pelecanus erythrorhynchos Soaring overhead during migration, a flock of White Pelicans is a magnificent sight. These great birds weigh as much as 15 pounds, have a wingspread of 9 feet and a total length of more than 5 feet. Their legs are sturdy but short, the toes fully webbed. The bill is long and flat with a pouch beneath the lower mandible. Three contrasting colors make this bird easily identified. The bird is white except for the outer two-thirds of the wings where the end and rear half is black. The bill, pouch and feet are yellow or reddish-yellow. The head is carried well back, which rests the bill and pouch on the shoulders. They float high on the water and when surrounded by ducks and grebes, they look like aircraft carriers with a destroyer escort. - Black Horse
Black Horse - Cyrtanthus McKenii
Cyrtanthus McKenii - Golden-crowned Kinglet
Golden-crowned Kinglet Energetic little birds, smaller than House Wrens, the Golden-crowned Kinglets spend the winter busily engaged in searching the twigs and branches for insect eggs or larvae. There they join mixed flocks of chickadees, Brown Creepers, nuthatches and Downy Woodpeckers, all working together to protect our trees. He is easily identified for he has the habit of flicking his wings as he moves thru the branches. His short, slightly forked tail, white line over the eye, distinct wing bars, all seem dull when compared to the golden crown, edged with black. This gives an artistic touch to his olive-gray plumage. The female shows a yellowish crown. The only bird with which he can be confused is the Ruby-crowned Kinglet which shows a distinct eye ring. He flashes his ruby crown only when excited. Like the Brown Creeper, this bird has a faint lisping call which usually is given in a series of from one to 3 notes, not the single note of the creeper. - Cuttlefish
- Mourning Dove
Mourning Dove There is something about a dove which makes you want to know him better. Could it be his low mournful call? (And why do we call it mournful? Someone described it in that manner, and while it is not as colorful as other bird notes, it has a restful and pleasing quality.) Could it be the graceful flight which shows the pointed tail with the white trimming? Could it be dainty steps which seem to fit his personality? Perhaps the way he drinks by inserting his bill and swallowing water until he has his fill. It might be the way he builds his nest: no time wasted when this bird constructs a home. It might even be the way he jerks his head, as if trying to get a better focus on the sights of the world. Some call him brown; if so, where did we get the description, “dove colored”? In good light, the head and neck have a rich sheen which blends with the rest of the body. All in all, he is a beautiful bird. - Falcon with Hood
The training of a hawk is a work requiring great patience and skill, the natural wildness and intractable nature of the birds being very difficult to overcome. When a hawk suffers itself to be hooded and unhooded quietly, and will come to the trainer's hand to receive food, its education is considered far advanced, and the work of accustoming it to the lure may be proceeded with. The lure may be a piece of leather or wood, covered with the wings and feathers of a bird, and with a cord attached. The falcon is fed from it, and is recalled from flight by the falconer swinging the lure round his head with a peculiar cry. When the bird has been taught to obey the lure, it is next practised in the art of seizing its game, being initiated with prey fastened to a peg, and flown later at free game. - Squirrel
The Squirrel (Sciurus vulgaris) is one of the few Rodents, with which man has befriended, and which he, in spite of some unpleasant qualities, gladly adopts as a roommate, even in the eyes of the poet has a graceful stature. This was already felt by the Greeks, to whom we borrowed the scientific name of the Squirrel. - Double Nest of Orchard Oriole
- Carolina Wren
Carolina Wren Thryothorus ludovicianus mericans are fortunate. There are a lot of reasons, but one is the fact that we have several species of wrens. There is something about these birds that demands immediate attention. It might be their size, for most are small. It might be their songs, for most are good singers. It might be their trim, sleek-looking jauntiness—some might even call it cockiness. These birds are popular around mansions or weather-beaten shacks. For those of us who live south of the area of severe winters, and east of the plains, the Carolina Wren might be classed as a favorite bird. Any wooded area, especially one with small streams running thru it, makes ideal habitat for this songster. The more tangles and brushy undergrowth, the better he will like it. - Cyrtanthus Angustifolius
- Nest of Red-eyed Vireo
- Dysderidæ
Dysdera Interrita A small family of spiders with only six eyes. They have also four breathing-holes in the front of the abdomen; but one pair leads to branched tubes instead of sacs. They are usually found under stones, with their legs drawn up close to their bodies, but can move very quickly when so inclined. Very few species are known, and none are common, in North America. At bottom of figure are the eyes as seen from in front. - Frightened Horse
Frightened Horse - Central Asiatic Sandgrouse (Syrrhaptes paradoxus)
his migration must have been an unusually large one. It has been suggested that the Glacial period had some connection with it, and there can be little doubt, as we shall see later on, that a change of climate probably brought about this great Siberian invasion of Europe. But other causes might tend in the same direction, such as want of sufficient food after a few years of great increase of any particular species. It is not known to what we owe the periodic visits of the Central Asiatic Sandgrouse (Syrrhaptes paradoxus), but certain it is that immense flocks of these birds invade Europe from time to time at the present day, just as those mammals may have done in past ages. - The Saiga-Antelope (Saiga tartarica)
Some of these, such as the Saiga-Antelope (Saiga tartarica), still inhabit portions of Eastern Europe, whilst others have retreated to their native land. But it might be asked, how is it known that these species did not originate in Europe, and thence migrate to Siberia? Because if they had originated on our continent, they would have spread there. They would have invaded Northern and Southern Europe, and they would probably have left some remains in Spain, Italy, or Greece. - Lark Sparrow
Lark Sparrow These large sparrows are easily identified. No other sparrow has a white border around the tail or the distinctive chestnut and white head pattern. Another mark is a distinct, dark spot on the breast. Clay-colored Sparrows show a similar head pattern but lighter parts are grayer and the cheek patch is duller, more brown than chestnut. The latter-named bird has no spot on the breast. Lark Sparrows prefer open areas along country roads, old orchards or pastures with scattered trees or bushy hedges. Such habitat furnishes nesting sites and a plentiful supply of insects, small seeds and grit for their use. Altho usually a common species within its range, these birds are inclined to be erratic and might be scarce one season and abundant the next, with no apparent reason. - Dog hunting
- Blue-winged Teal
Anas discors Some people call this bird the “Summer Duck.” The fact he arrives late in spring and departs for his winter home before the heavy frosts indicates a desire to evade cold weather. Most of these ducks are well on their way to Mexico or South America when other species begin to arrive from the nesting grounds. Early migration saves the lives of many Blue-wings for hunters prefer this duck for eating. Their speedy flight, their erratic twisting and turning, their tendency to decoy—all offer a challenge to the nimrod. The blue wing patch, from which this duck derives its name, also is shared by the Cinnamon Teal which replaces this bird in western areas. Shovellers also carry a similar marking. The reddish color of the male Cinnamon Teal and the huge bill of the Shoveller help distinguish the birds. In the eclipse plumage, both male and female Blue-wings are much alike, but by the latter part of October the male assumes the dark head and tail, a crescent before the eye, brown speckled body, back gray-brown, white patch on each flank with dull yellow feet. The bill is bluish-black. The female is brownish-gray in all plumages. Both sexes show the blue wing patch in any plumage. - Gopher
Gopher - Hare Mouse
The Hare Mouse depicted on this page (Lagidium Cuvieri) inhabits the high plains of southern Peru and Bolivia and is close to the stature and size of a Rabbit. Her coat is very soft and long-haired. - Cockle
- The Sangu, or Abyssinian Ox
- Edible Dormouse and Garden Dormouse
Edible Dormouse and Garden Dormouse - Baltimore Oriole and Nest
- Wilson’s Snipe
Capella gallinago Wilson’s Snipe, frequently known as a “Jack Snipe,” is the most common of 3 species which have extremely long, straight bills. All feed by probing in soft mud where their sensitive bills soon locate and obtain their food. This bird prefers marshy areas near streams or ponds. When disturbed, he leaves the scene so rapidly that you might miss the erratic, zig-zag flight, the pointed wings, the stripes on his head, the brownish-striped plumage. You might even miss the orange tail, but you probably will hear the rasping note which he usually utters when he departs. The Woodcock, a similar species, feeds in dense cover and has bars across his crown, rounded wings and a chunky build. A third long-billed bird is the Dowitcher, which feeds in open, shallow water and is found often in small flocks. - Culvert
Culvert - Marmot
The Marmot (Arctomys marmota)can, including the 11 cM. longtail, a length of 62 cM. at a shoulder height of 15 cM. Through stature and physique she resembles her relatives. The hair, which consists of short wool hair and longer upper hair, is dense, abundant and quite long; the colour is brown-black at the top to a greater or lesser extent, broken on the crown and back by some whitish dots, in the neck, at the root of the tail and at the whole underside dark reddish brown, on the legs, the sides of the torso and at the rear even lighter, at the snout and at the feet rust yellowish white. - Lagomys
Lagomys - Greenland Falcon
Greenland Falcon - Porcupine
The Porcupine lives lonely. Over the day it rests in long, low corridors, which digs it itself into the ground; at night it occurs and wanders around to look for food. This consists of all kinds of vegetable substances, thistles and other herbs, roots and fruits, the bark of different trees and many types of leaves. It bites off its food with the front teeth and holds it with the forelegs, as long as it eats. - Leucadendron Stokoei
Leucadendron Stokoei - Simulium venustum
The Simuliidæ, or black flies, are small, dark, or black flies, with a stout body and a hump-back appearance. The antennæ are short but eleven-segmented, the wings broad, without scales or hairs, and with the anterior veins stout but the others very weak. The mouth-parts are fitted for biting. - Desert jumping mouse
Although these animals are numerous in the regions they inhabited, they are rarely seen here. They cannot be called shy, but they are restless and fearful and go to their burrows at the slightest, and as soon as they see a foreign object, as possible, to their burrows. - Polyphemus gigas
- Alpine hare or Snow Hare
The Alpine hare or Snow Hare (Lepus timidus, L. variabilis) differs by physique and appearance clearly from the Gewonen Haas. "He is," says Tschudi, "more cheerful, livelier, three-star, has a shorter, rounder, more curvaceous head, a shorter nose, smaller ears (which, pressed against the head, do not reach to the spire of the snout). - Oliva porphyria
- Sheep-washing in Australia
- Hare
The members of the genus Hare (Lepus)are distinguished by ears, which are almost as long as the head, by the shortness of the thumb of the forefeet, the large length of the hind legs (almost double those of the forelegs), the upward-facing tail stump, and the 6 molars in each upper jaw half (in the lower jaw there are 5 on each side). - Paca
The Capybara is widespread throughout South America; from the Orinoko to the La Plata, from the Atlantic ocean to the eastern reaches of the Andes, it inhabits low, forest-rich, swampy regions, especially rivers, multi-banks and marshes. She prefers to stop at large currents; it never leaves, unless to follow the course of small streams and watercourses flowing into this flow. In some places it is extremely frequent; in inhabited places, as light can be understood, it is rarer than in the wilderness.