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Hydrobates monorhis is a small sea bird. Austin (1952) combined this species with O. cucorhoa. Bretagnolle et al. (1991) and Daw-son (1992) divided them into two separate species because of their morphological and acoustical differences. Zheng Zuoxin (1994), Inskipp, Lindsey and Duckworth (1996), an
Sooty Shearwater (scientific name: Ardenna bulleri) foreign name Buller' s Shearwater, Pardela Dorsigris, no subspecies. Ardenna bulleri was classified as a shearwater (Puffinus) until 2014.The sooty Shearwater breeds on the Purnaz Islands near Tutukaka, north of New Zealand. After breeding, the
I'm sitting in Jakob Vinther's office, trying to find the right words to formulate the question I want to pose: Did Tyrannosaurus rex have a - and that's a shameful word - penis? "So I have to..." I stammered, getting more and more panicked. "...You have to mate," Professor Winsor responded l
Research led by China's Capital Normal University found that the Mireosaurus, which lived 150 million years ago, had teeth when it hatched. Researchers said in a report published in the professional journal "Current Biology" that as the young dragons grew, they may have switched from carnivor
A latest British natural science research found that the reason why modern snakes can successfully survive and reproduce around the world must be thanks to the meteorite, an alien object that hit the earth 66 million years ago and exterminated most species, including dinosaurs. Scientists say
Associate researcher Wang Yuan of the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, collaborated with the research team of Zhang Hanwen, a doctoral student at the University of Bristol, UK, and Professor Mark Purnell of the University of Leicester, U
Horned grebe (pit) Podiceps auritus (foreign name Horned Grebe, Slavonian Grebe), as for subspecies differentiation, some scholars think that the species distributed in Europe and Asia is darker than the North American population, the head and back are more black and less gray, thus dividing this sp
The white-billed loon (Gavia adamsii) is a large waterfowl belonging to the Lobiidae family of the order Lobiidae. The white-billed loon is similar in appearance to the great North American loon (G.i. mmer), so some scholars have considered it a subspecies of the Arctic loon. However, due to their o
The Red-throated Loon (Gavia stellata) is a large waterfowl in the family Gavia Stellata. Some scholars believe that the population of the red-throated loons breeding in Spitsbergen and Bear Island, Norway, is slightly lighter than the named subspecies and has a separate subspecies, G. S. guamata. H
Clupeomorpha fish are divided into two categories: Clupeoformes (such as sardines and Yangtze swordfish, etc.) and the extinct Ellimmichthyiformes. Eram herrings, commonly known as double armored herrings, were first recorded in the Early Cretaceous and continued into the Oligocene (Oligocene
In 2019, Nature published a cover article on the research results of Wang Min, Zou Jingmei, Xu Xing, Zhou Zhonghe from the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences: Jurassic ornithosaurs reveal the role of membranous wings in dinosaurs The evolut
Among the large bears of the Miocene-Pliocene Epoch, the most famous are the Indian bear Indarctos and the suburban bear Agriotherium. Both species are large in size, widely distributed, and have a long history of discovery. They are representative species from the Miocene to Pliocene. Althou
How birds, the descendants of dinosaurs, escaped the mass extinction event 65 million years ago has always been a question that scientists are eager to answer. A large amount of volcanic ash caused by meteorites impacting the earth and frequent volcanic activities filled the atmosphere, causi
Recently, Nature Ecology & Evolution, a subsidiary journal of Nature magazine, published a study independently completed by the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences on the independent evolution of the skull and body of early birds. Li Z
Ragdoll Cat Price1. Price of Shanghai Ragdoll CatPurebred: 8000-10000 yuanOrdinary: 2000-5000 yuanMale and female price difference: about 300 yuan2. Beijing Ragdoll Cat PricePurebred: 10,000-20,000 yuanOrdinary: 2000-5000 yuanMale and female price di
Alpacas can be said to be the representative of funny animals that have become popular on the Internet in recent years. Their cute and silly faces have made people famous by giving them various text descriptions. Some people asked how much an alpaca costs and wanted to buy one to raise at home.Price
Young people are probably familiar with alpacas nowadays, because their names sound like swear words, but how much do you know about their prices?The price of alpacasAlpacas can be said to be the representative of funny animals that have become popular on the Internet in the past two y
Common dog speciesOne: Alaska, a type of sled dog. It is a large dog. This is the dog I have at home. The biggest characteristic of this dog: glass stomach, prone to diarrhea. Poor self-discipline, noble in adulthood.Two: Husky, a type of sled dog. It is a medium-sized dog. The biggest