Nature & Science Article List
Hermann's Tortoise Size
The Hermann's tortoise is a yellow-brown, thick-scaled tortoise native to Mediterranean Europe. Hermann's tortoises have two subspecies: the eastern Hermann's tortoise and the western Hermann's tortoise, and both are found in the pet trade. Hermann's tortoises have a strong body and a lively persona ...
Dust Mite Size
You have probably heard of dust mites, but did you know they are not insects? They belong to the Arachnida class, including spiders, scorpions, and ticks. Dust mites aren't parasites; they do not bite or even sting.Thirty-four species have been recorded, among which the main species related to human ...
Dwarf Gourami Fish Size
Dwarf gourami (Scientific Name: Trichogaster lalius) is a member of the genus Trichogaster. Native to northeastern India. One of the most popular freshwater fish due to its gentle personality and colorful appearance. They look fantastic and do a great job bringing a splash of color into your aquariu ...
Dunkleosteus Size
Dunkleosteus is a kind of paleontology that lived in the Devonian period, about 415 to 360 million years ago. Its main preys were fish and hard-shelled invertebrates, including sharks. Paleontologists think Dunkleosteus is the top predator in the ocean at that time.Dunkleosteus is one of the prehist ...
Deinosuchus Size
In the past hundreds of millions of years, all kinds of beasts have appeared on the earth that once stood at the top of the food chain. Deinosuchus is an extinct large crocodile belonging to the superfamily of alligators, living on the eastern coast of North America in the Late Cretaceous, about 82 ...
Deinonychus Size
Deinonychus is a genus of dromaeosaurids that lived in the middle Apdian stage to the early Cretaceous, about 115-108 million years ago. Its scientific name comes from the very large, sickle-shaped claws on the second toe of its hind limbs. Paleontologists thought Deinonychus used its sickle claws t ...
Deer Antler Size
Antlers are extensions of the skull in deer and similar animals. Deer antlers are a single structure composed of bone, cartilage, fibrous tissue, skin, nerves, and blood vessels. They are usually found only in males and shed every year and grow back.It takes a fair amount of energy for deer to produ ...
Dodo Bird Size
The dodo (scientific name: Raphus cucullatus) is an extinct bird. The body size is comparable to that of a swan and has obvious sexual dimorphism. The dodo bird, the only extinct bird, designated as the national bird of Mauritius, was extincted in 1681. In August 2016, the world's most complete dodo ...
Irish Elk Size
The Irish Elk is an extinct species and one of the largest deer ever found. It lived in the Late Pleistocene and early Holocene, and its habitat spanned across Eurasia, from Ireland to Lake Baikal in Siberia. The most recent known fossil of the Irish Elk is about 7,700 years old. A large collection ...
Comet Goldfish Size
Comet goldfish are single-tailed goldfish bred in the United States. It is similar to the common goldfish, and its main feature is the long, deeply forked tail. Unlike common household pet goldfish, comet goldfish tend to come in various colors.After introducing Ryujin goldfish from Japan, the Washi ...