The common goldeneye is called so (quite obviously) because of its strikingly amber eye that is accentuated by its glistening green-black (male) or brown head (female). This medium-sized duck is a bit smaller than a mallard at approximately 18 inches in length and weighing one to two pounds. From an aerial perspective, adult males are all black with a black head and back, but nearly all white on the sides with a notable white circle on their cheeks. Adult females have an entirely brown head with grayish brown body plumage. Fun fact: The eyes of the common goldeneye change drastically over its adolescence, from dark purple to blue to greenish blue to pale green, then finally to bright amber yellow when they reach adulthood.
Username: Information Published on 2024-12-28 13:42:34 ID NUMBER: 127895
These are the quintessential duck, taking the rank as the most abundant duck in the world. The mallard is the ancestor to most domesticated breeds of ducks and can be found in nearly every town in North America.
Males and females have distinct differences in their plumage displays; males having a glossy green head, white ring on neck, brown chest, black rear, and yellow bill, and females have a more muted plumage display of mottled brown with an orangish brown bill. Both sexes have a vibrant blue stripe or “speculum” on their wings. Other than coloration, males’ and females’ size and appearance is very similar; approximately two feet in length, two to three pounds, and having flat wide bills.
Mallards are known as dabbling ducks—they feed underwater by tipping forward and grazing. What makes these ducks so prevalent is their adaptability to almost any wetland environment and their wide range of preferred food sources. Mallards are omnivores and will eat seeds, stems, roots, insects, mollusks, tadpoles, frogs, earthworms, small fish, etc.
The common goldeneye is called so (quite obviously) because of its strikingly amber eye that is accentuated by its glistening green-black (male) or brown head (female). This medium-sized duck is a bit smaller than a mallard at approximately 18 inches in length and weighing one to two pounds. From an aerial perspective, adult males are all black with a black head and back, but nearly all white on the sides with a notable white circle on their cheeks. Adult females have an entirely brown head with grayish brown body plumage. Fun fact: The eyes of the common goldeneye change drastically over its adolescence, from dark purple to blue to greenish blue to pale green, then finally to bright amber yellow when they reach adulthood.
Think mohawk or windblown or Bride of Frankenstein, and you may be able to picture the great crest of feathers atop the hooded merganser’s head. Hooded merganser crests or hoods are fan-shaped and collapsible feathers that can stand up straight or lay flat on their head. They are small ducks with thin bills, approximately 18 inches in length and weighing just over one pound. Much like the goldeneye, male mergansers are black and white with a vibrant yellow eye, and females are a more muted gray and brown.
Wood ducks are one of the most strikingly beautiful ducks in the waterfowl family. The males have unmatched iridescent shimmering greens, purples, and pinks decorating their crested heads, backs, and wings. The rest of their bodies vary in ornate patterning; their sides look like a sepia tone topography map, while their breast is the color of a mottled chestnut shell, and their wing speculum a polished sapphire. The females, while less colorful, sport an elegant gray silver head with a white accent around their eyes, their breasts like granite, and a bright shimmer of color pokes out from their wing bands. Wood ducks are one of few species whose strong claws can grip bark, allowing them to perch in trees. They are similar in size to a hooded merganser.
The preferred meal for the truly omnivorous wood duck is mostly seeds, with some aquatic plants and insects. In many parts of the country, wood ducks rely on acorns as a major source of their diet. These ducks typically dabble and only do shallow diving.
Wood ducks are also cavity nesters and they love areas that are thickly wooded or highly vegetative (like large cattail marshes and beaver ponds). Wood ducks can be spotted at Camp Polk Meadow Preserve in the cattails. Their small stature and short, broad wings make them highly maneuverable in these areas. These ducks lay nine to 14 eggs and often will lay eggs in other mother’s nests, sometimes called “dump nests,” where there is no incubation. These are some of the only ducks that will have two broods of ducklings a year (more common in southern North America than northern).
This is our smallest and most energetic diving duck with some major flare to boot. The male bufflehead’s oversized head glimmers green and purple iridescent with the appearance of a large pie slice removed, leaving a white patch on the back of its head. The rest of its body is a sleek and stark torpedo of black on white. The female is an unassuming brown and gray duck with a large head and distinctive white cheek patch. Both sexes measure around one foot in length and weigh between one half and just-over one pound.
Buffleheads are impressive divers and use their skills to catch aquatic invertebrates, insects, and mollusks as a main food source. Dives for food typically last between 12 and 25 seconds.
These small ducks choose woodpecker and Northern flicker holes as their nesting cavities, often preferring cavities found in aspen and poplars. Bufflehead are another mostly monogamous species and will stay with their partner for a few years, laying one brood of four to 17 eggs per year. Males will often leave the females during incubation in order to molt, but will return to help protect the ducklings.
The common goldeneye is called so (quite obviously) because of its strikingly amber eye that is accentuated by its glistening green-black (male) or brown head (female). This medium-sized duck is a bit smaller than a mallard at approximately 18 inches in length and weighing one to two pounds. From an aerial perspective, adult males are all black with a black head and back, but nearly all white on the sides with a notable white circle on their cheeks. Adult females have an entirely brown head with grayish brown body plumage. Fun fact: The eyes of the common goldeneye change drastically over its adolescence, from dark purple to blue to greenish blue to pale green, then finally to bright amber yellow when they reach adulthood.
Earwig, (order Dermaptera), any of approximately 1,800 species of insects that are characterized by large membranous hindwings that lie hidden under short, leathery forewings. The name earwig is derived from the Anglo-Saxon word meaning “ear creature,” probably because of a widespread ancient superstition that earwigs crawl into the ears of sleeping people. The earwig varies from 5 to 50 mm (0.2 to 2 inches) in length and is flat, slender, and dark-coloured. It has a shiny outer covering and simple biting mouthparts, and it undergoes incomplete metamorphosis (i.e., egg, nymph, and adult stages). This nocturnal insect is usually herbivorous. Several species can fire a foul-smelling liquid, formed in abdominal glands and probably protective in function, for distances up to 10 cm (4 inches).
The common goldeneye is called so (quite obviously) because of its strikingly amber eye that is accentuated by its glistening green-black (male) or brown head (female). This medium-sized duck is a bit smaller than a mallard at approximately 18 inches in length and weighing one to two pounds. From an aerial perspective, adult males are all black with a black head and back, but nearly all white on the sides with a notable white circle on their cheeks. Adult females have an entirely brown head with grayish brown body plumage. Fun fact: The eyes of the common goldeneye change drastically over its adolescence, from dark purple to blue to greenish blue to pale green, then finally to bright amber yellow when they reach adulthood.
Common octopuses are widespread in tropical, subtropical, and temperate waters worldwide. They are also the most studied octopus species. Notably, they span 1 to 3 feet long, including arms. This is short compared to giant octopuses living under the deep sea.
Aside from their intelligence, their camouflage expertise is extraordinary, adapting color, skin texture, and posture seamlessly according to the substrate. Dive deeper into these types of marine mollusks by checking our list of octopus facts and types of octopus.
The Common Hippopotamus, or the River Hippopotamus, dominates the African landscape, ruling sub-Saharan Africa's lakes, rivers, and mangrove swamps.
A male hippo can reach 3,260 lb. Despite its massive size, it is surprisingly fast, reaching up to 22 miles per hour on land on short distances.
One of its most distinctive characteristics is the secretion of "blood sweat," which acts as a natural sunscreen and antibacterial agent.
Male hippos reach maturity at 7.5 years old, while cows are 5 to 6 years old. After an eight-month gestation period, a female hippo isolates herself from the group. It gives birth to one calf on land or in shallow water.
Interestingly, calves fold their ears and close their nostrils as they nurse on female hippos underwater. Moreover, this nocturnal herbivore can consume around 80 pounds of grass overnight. Adults have no known natural predators, but lions, hyenas, and crocodiles endanger young hippos.
Despite their formidable size, Common Hippos are not sociable. While they form groups, they do so primarily for protection rather than companionship.
The hippos are a vulnerable species, facing a population decline due to poaching and civil unrest1. Elephant ivory substitutes, such as hippo teeth, heighten demand in illegal markets. Conservation efforts are vital, yielding slight improvements in protected areas.
Here are five subspecies of the common hippo with differences in their skulls and geographic ranges
The Common Wood Pigeon is a dove species in Europe, North Africa, and southwestern Asia. It has a soft grey body, pinkish breast, and white neck patch. Likewise, it has adapted to various habitats, feeding on seeds, crops, fruits, and invertebrates.
The Common Ground Dove is a small bird in the southern United States, Mexico, Central America, and the Caribbean. It is adaptable and resilient, often found in open landscapes like grasslands, farmlands, and scrublands.
The bird's feathers blend pink and gray, allowing it to blend in with the sandy soil. Male doves have a pink chest and a bluish crown, while females have a more subdued color palette.
The Common Ground Doves prefer to scavenge for seeds, grains, and small insects on the ground, and their gentle cooing often rings out.
The Common House Gecko is a nocturnal Southeast Asian reptile. These geckos have semi-transparent skin; their internal organs are visible through their skin. Their size ranges from 4 to 6 inches, with males slightly larger than females.
These nocturnals communicate with chirps and clicks. They are also not picky eaters, feeding on insects, small invertebrates, their shed skin, and unfertilized eggs. They help balance the ecosystem by checking mosquitoes, spiders, and other unwanted bugs.
The Southern River Otter inhabits the rivers, lakes, and coastal marine habitats in Chile and Argentina. They have an elongated body reaching up to 3.8 feet and 22 pounds.
Their diet is varied, from fish to crustaceans and mollusks. However, they also prey on small birds and mammals when the opportunity arises.
The Common Yellow Hornet, also called the Sandhills Hornet or the Aerial Yellowjacket, is a native species found across North America. It sports a black body with thin yellow bands and yellow legs.
This type of yellowjacket eats grasshoppers, spiders, flies, and ladybugs. Since they nest above trees, they are mostly targeted by birds and other wasps. However, they can spray venoms out of their stings to defend themselves.
At 3.5 cm, the adult common cockchafer is the United Kingdom’s largest scarab beetle. The rusty brown beetle is also called the May bug because it tends to emerge from its underground home around May.
There are a few stories about how the common cockchafer got its name. One explanation says the word “cock” means familiar, and “chafer” means gnawing beetle. Another explanation says cockchafer is Old English for "big beetle."
Yet another account suggests that the word cock in Old English referred to large size, while chafer meant gnawing insect. Therefore, the cockchafer got its name from its size and tendency to chew leaves and flowers vigorously.
