Q:Information: - Flying squirrels (scientifically known as Pteromyini or Petauristini) are a tribe of 44 species of squirrels in the family Sciuridae. They are not capable of flight in the same way as birds or bats but are able to glide from one tree to another with the aid of a patagium, a furry, parachute-like membrane that stretches from wrist to ankle. Their long tail provides stability in flight. Anatomically they are very similar to other squirrels but have a number of adaptations to suit their life style; their limb bones are longer and their hand, foot bones and distal vertebrae are shorter. While flying they are able to steer and exert control over their glide path with their limbs and tail. - Toluca , officially called Toluca de Lerdo , is the state capital of State of Mexico as well as the seat of the Municipality of Toluca. It is the center of a rapidly growing urban area, now the fifth largest in Mexico. It is located west-southwest of Mexico City, about 40 minutes by car to the western edge of the city. According to the 2010 census, the city of Toluca has a population of 819,561. The city is the fifth largest in Mexico in population. The municipality of Toluca, along with thirteen other municipalities, make up the metropolitan population of 1,775,337 in Greater Toluca , making it the fifth most populous metropolitan area in Mexico. - A cave is a hollow place in the ground, specifically a natural underground space large enough for a human to enter. Caves form naturally by the weathering of rock and often extend deep underground. The word "cave" can also refer to much smaller openings such as sea caves, rock shelters, and grottos. A cavern is a specific type of cave, naturally formed in soluble rock with the ability to grow speleothems. - Mexico (, modern Nahuatl ), officially the United Mexican States, is a federal republic in the southern half of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatemala, Belize, and the Caribbean Sea; and to the east by the Gulf of Mexico. Covering almost two million square kilometers (over 760,000sqmi), Mexico is the sixth largest country in the Americas by total area and the 13th largest independent nation in the world. With an estimated population of over 120 million, it is the eleventh most populous country and the most populous Spanish-speaking country in the world while being the second most populous country in Latin America. Mexico is a federation comprising 31 states and a federal district that is also its capital and most populous city. Other metropolises include Guadalajara, Monterrey, Puebla, Toluca, Tijuana and Leon. - The Caribbean (or ) is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts. The region is southeast of the Gulf of Mexico and the North American mainland, east of Central America, and north of South America. - Guadalajara is the capital and largest city of the Mexican state of Jalisco, and the seat of the municipality of Guadalajara. The city is in the central region of Jalisco in the Western-Pacific area of Mexico. With a population of 1,495,189 it is Mexico's fourth most populous municipality. The Guadalajara Metropolitan Area includes seven adjacent municipalities with a reported population of 4,328,584 in 2009, making it the second most populous metropolitan area in Mexico, behind Mexico City. The municipality is the second most densely populated in Mexico, the first being Ciudad Nezahualcoyotl in the State of Mexico. It is a strong business and economic center in the Bajio region. - The Gulf of Mexico is an ocean basin largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. The U.S. states of Alabama, Florida, Louisiana, Mississippi and Texas border the Gulf on the north, which are often referred to as the "Third Coast" in comparison with the U.S. Atlantic and Pacific coasts, or sometimes the "south coast", in juxtaposition to the Great Lakes region being the "north coast." One of the gulf's seven main areas is the Gulf of Mexico basin. - Guatemala (, or ), officially the Republic of Guatemala, is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, Honduras to the east and El Salvador to the southeast. With an estimated population of around 15.8 million, it is the most populated state in Central America. A representative democracy, Guatemala's capital and largest city is Nueva Guatemala de la Asuncion, also known as Guatemala City. - Pterosaurs (meaning "winged lizard") are flying reptiles of the extinct clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous (228 to 66 million years ago). Pterosaurs are the earliest vertebrates known to have evolved powered flight. Their wings were formed by a membrane of skin, muscle, and other tissues stretching from the ankles to a dramatically lengthened fourth finger. Early species had long, fully toothed jaws and long tails, while later forms had a highly reduced tail, and some lacked teeth. Many sported furry coats made up of hair-like filaments known as pycnofibers, which covered their bodies and parts of their wings. Pterosaurs spanned a wide range of adult sizes, from the very small anurognathids to the largest known flying creatures of all time, including "Quetzalcoatlus" and "Hatzegopteryx". - Bean is a common name for large seeds of several genera of the flowering plant family Fabaceae (also known as Leguminosae) which are used for human or animal food. - The interfemoral membrane, or uropatagium, is the membrane that stretches between the legs of bats, pterosaurs and other animals like flying squirrels and colugos. - The thumbless bat ("Furipterus horrens") is a species of bat in the family Furipteridae, in the monotypic genus Furipterus. It is found in Costa Rica, Brazil, Venezuela; Colombia; Ecuador; Suriname; French Guiana; Guyana; Panama; Trinidad, and Peru. They have a small thumb which is included in the membrane of the wing, causing the 'thumbless' appearance. - Disc-winged bats are a small group of bats of the family Thyropteridae. They are found in Central and South America, usually in moist tropical rain forests. It is a very small family, consisting of a single genus with five species. - The Atlantic Ocean is the second largest of the world's oceans with a total area of about . It covers approximately 20 percent of the Earth's surface and about 29 percent of its water surface area. It separates the "Old World" from the "New World". - Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far south. Chilean territory includes the Pacific islands of Juan Fernandez, Salas y Gomez, Desventuradas, and Easter Island in Oceania. Chile also claims about of Antarctica, although all claims are suspended under the Antarctic Treaty. - Furipteridae is one of the families of bats. This family contains only two species, the smokey bat and the thumbless bat. Both are from Central and South America, and are closely related to the bats in the families Natalidae and Thyropteridae. They can be recognized by their reduced and functionless thumbs, enclosed by the wing membranes, and their broad, funnel-shaped ears. There are only two genera in the group, each with a single species. They are insectivorous and can live in many different kinds of environments. They have greyish fur, and a small nose-leaf. Like many bats, they roost in caves. - The family Natalidae, or funnel-eared bats are found from Mexico to Brazil and the Caribbean islands. The family has three genera, "Chilonatalus", "Natalus" and "Nyctiellus". They are slender bats with unusually long tails and, as their name suggests, funnel-shaped ears. They are small, at only 3.5 to 5.5cm in length, with brown, grey, or reddish fur. Like many other bats, they are insectivorous, and roost in caves. - Colugos are arboreal gliding mammals found in Southeast Asia. Just two extant species make up the entire family Cynocephalidae and order Dermoptera. They are the most capable gliders of all gliding mammals, using flaps of extra skin between their legs to glide from higher to lower locations. They are also known as cobegos or flying lemurs, although they are not true lemurs. - Brazil, officially the Federative Republic of Brazil, is the largest country in both South America and Latin America. As the world's fifth-largest country by both area and population, it is the largest country to have Portuguese as an official language and the only one in the Americas. Bounded by the Atlantic Ocean on the east, Brazil has a coastline of . It borders all other South American countries except Ecuador and Chile and covers 47.3% of the continent's land area. Its Amazon River basin includes a vast tropical forest, home to diverse wildlife, a variety of ecological systems, and extensive natural resources spanning numerous protected habitats. This unique environmental heritage makes Brazil one of 17 megadiverse countries, and is the subject of significant global interest and debate regarding deforestation and environmental protection. - The genus Natalus of funnel - eared bats is found from Mexico to Brazil and the Caribbean islands . They are slender bats with unusually long tails and , as their name suggests , funnel - shaped ears . They are small , at only 3.5 to 5.5 cm in length , with brown , grey , yellow , or reddish fur . Their tail is completely enclosed in the interfemoral membrane . Adult males have a natalid organ , a large glad - like organ , on the muzzle or face . Their skulls are delicate and extended . They have swollen , rounded braincase and narrow , somewhat tubular rostrum . They have nineteen teeth on both sides , with two upper and three lower being incisors , one upper and lower canine , three upper and lower premolars , and three upper and lower molars . Like many other bats , they are insectivorous , and roost in caves . The genus is similar to the Furipteridae and Thyropteridae genera . All three genera have mostly the same geographic ranges . Eight species belong to this genus , with cranial and external differences : - Monterrey, is the capital and largest city of the northeastern state of Nuevo Leon, in Mexico. The city is anchor to the third-largest metropolitan area in Mexico and is ranked as the ninth-largest city in the nation. Monterrey serves as a commercial center in the north of the country and is the base of many significant international corporations. - Bats are mammals of the order Chiroptera (from the - "cheir", "hand" and - "pteron", "wing") whose forelimbs form webbed wings, making them the only mammals naturally capable of true and sustained flight. By contrast, other mammals said to fly, such as flying squirrels, gliding possums, and colugos, can only glide for short distances. Bats do not flap their entire forelimbs, as birds do, but instead flap their spread-out digits, which are very long and covered with a thin membrane or patagium. What is the relationship between 'natalus' and 'natalidae'?
A:
parent taxon