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45-404: The park covers 3,025 acres (12.24 km). The name "Sourland" may derive from the soil, described as "sorrel-land" or reddish brown land. Seen in the park are red fox , gray fox , deer , even coyote . Birds include tanagers , wrens , and chickadees . For anyone who hikes and lives in central Jersey, Sourland provides quick access to a hiking experience that can rival some of the trails in

90-611: A counterclockwise pattern. Hurricanes and tropical storms (massive low-pressure systems) spin counterclockwise in the Northern Hemisphere. The shadow of a sundial moves clockwise on latitudes north of the subsolar point and anticlockwise to the south. During the day at these latitudes, the Sun tends to rise to its maximum at a southerly position. Between the Tropic of Cancer and the Equator,

135-412: A more progressive form in the direction of carnivory . Apart from its large size, the red fox is distinguished from other fox species by its ability to adapt quickly to new environments. Despite its name, the species often produces individuals with other colourings, including leucistic and melanistic individuals. Forty-five subspecies are currently recognised, which are divided into two categories:

180-449: A pest and furbearer for many centuries, as well as being represented in human folklore and mythology. Because of its widespread distribution and large population, the red fox is one of the most important furbearing animals harvested for the fur trade . Too small to pose a threat to humans, it has extensively benefited from the presence of human habitation, and has successfully colonised many suburban and urban areas . Domestication of

225-548: A small part of South America . During the 2.5 million years of the Pleistocene , numerous cold phases called glacials ( Quaternary ice age ), or significant advances of continental ice sheets, in Europe and North America , occurred at intervals of approximately 40,000 to 100,000 years. The long glacial periods were separated by more temperate and shorter interglacials which lasted about 10,000–15,000 years. The last cold episode of

270-1588: A year's time. Red fox subspecies in Eurasia and North Africa are divided into two categories: Red foxes living in Middle Asia show physical traits intermediate to the northern foxes and southern grey desert foxes. [REDACTED] communis (Burnett, 1829) lineatus (Billberg, 1827) nigro-argenteus (Nilsson, 1820) nigrocaudatus (Billberg, 1827) septentrionalis (Brass, 1911) variegates (Billberg, 1827) vulgaris (Oken, 1816) [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] beringensis (Merriam, 1902) kamtschadensis (Brass, 1911) kamtschatica (Dybowski, 1922) schantaricus ( Yudin , 1986) [REDACTED] [REDACTED] [REDACTED] cinera (Bechstein, 1801) diluta ( Ognev , 1924) europaeus ( Kerr , 1792) hellenica (Douma-Petridou and Ondrias, 1980) hypomelas (Wagner, 1841) lutea (Bechstein, 1801) melanogaster ( Bonaparte , 1832) meridionalis ( Fitzinger , 1855) nigra (Borkhausen, 1797) stepensis ( Brauner , 1914) [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] melanotus (Pallas, 1811) pamirensis (Ognev, 1926) tarimensis (Matschie, 1907) Northern Hemisphere The Northern Hemisphere

315-619: Is Eurasian in origin, and may have evolved from either Vulpes alopecoides or the related Chinese V. chikushanensis , both of which lived during the Middle Villafranchian of the Pleistocene Epoch . The earliest fossil specimens of V. vulpes were uncovered in Baranya County , Hungary , dating from 3.4 to 1.8 million years ago. The ancestral red fox was likely more diminutive compared to today's extant foxes, as

360-413: Is also eaten sometimes. Although the red fox tends to kill smaller predators, including other fox species, it is vulnerable to attack from larger predators, such as wolves , coyotes , golden jackals , large predatory birds such as golden eagles and Eurasian eagle owls , and medium- and large-sized felids . The species has a long history of association with humans, having been extensively hunted as

405-465: Is considered harmful to native small and medium-sized rodents and marsupials . Due to its impact on native species, it is included on the list of the " world's 100 worst invasive species ". The red fox originated in Eurasia during the Middle Pleistocene at least 400,000 years ago and later colonised North America sometime prior to 130,000 years ago. Among the true foxes, the red fox represents

450-499: Is considered to be a more specialised form of Vulpes than the Afghan , corsac and Bengal fox species, in regards to their overall size and adaptation to carnivory ; the skull displays far fewer neotenous traits than in other foxes, and its facial area is more developed. It is, however, not as adapted for a purely carnivorous diet as the Tibetan fox . The sister lineage to the red fox

495-408: Is known; British red foxes have crossbred extensively with red foxes imported from Germany, France, Belgium, Sardinia and possibly Siberia and Scandinavia. However, genetic studies suggest very little differences between red foxes sampled across Europe. Lack of genetic diversity is consistent with the red fox being a highly agile species, with one red fox covering 320 km (200 mi) in under

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540-503: Is simply called "the fox" in colloquial British English. The word "fox" comes from Old English , which derived from Proto-Germanic * fuhsaz . Compare with West Frisian foks , Dutch vos , and German Fuchs . This, in turn, derives from Proto-Indo-European * puḱ- 'thick-haired; tail'. Compare to the Hindi pū̃ch 'tail', Tocharian B päkā 'tail; chowrie', and Lithuanian pūkas 'fur / fluff'. The bushy tail also forms

585-492: Is the Rüppell's fox , but the two species are surprisingly closely related through mitochondrial DNA markers, with Rüppell's fox nested inside the lineages of red foxes. Such a nesting of one species within another is called paraphyly . Several hypotheses have been suggested to explain this, including (1) recent divergence of Rüppell's fox from a red fox lineage, (2) incomplete lineage sorting , or introgression of mtDNA between

630-572: Is the half of Earth that is north of the Equator . For other planets in the Solar System , north is defined as being in the same celestial hemisphere relative to the invariable plane of the Solar System as Earth's North Pole . Due to Earth's axial tilt of 23.439281°, there is a seasonal variation in the lengths of the day and night. There is also a seasonal variation in temperatures, which lags

675-458: Is the largest of the true foxes and one of the most widely distributed members of the order Carnivora , being present across the entire Northern Hemisphere including most of North America , Europe and Asia , plus parts of North Africa . It is listed as least concern on the IUCN Red List . Its range has increased alongside human expansion, having been introduced to Australia , where it

720-513: The 3M Company . In 2009, a newly blazed trail system runs north from Roaring Brook before turning east and back into the preserve. The blazes for this trail system are red squares. The trail connects back to the Ridge Trail [white square]. Another trail, with red circular blazes, goes north and ends at the natural gas line route. These trails are excellent for hiking, and are laid out for off-road biking, with many twists and turns taking advantage of

765-460: The Northern temperate zone . The changes in these regions between summer and winter are generally mild, rather than extreme hot or cold. However, a temperate climate can have very unpredictable weather. Tropical regions (between the Tropic of Cancer and the Equator, 0° latitude) are generally hot all year round and tend to experience a rainy season during the summer months, and a dry season during

810-721: The Sacramento Valley red fox ( V. v. patwin ) only in a narrow hybrid zone. In addition, no evidence is seen of interbreeding of eastern American red foxes in California with the montane Sierra Nevada red fox ( V. v. necator ) or other populations in the Intermountain West (between the Rocky Mountains to the east and the Cascade and Sierra Nevada Mountains to the west). The 3rd edition of Mammal Species of

855-524: The San Joaquin Valley , Monterey and north-coastal San Francisco Bay Area (including urban San Francisco and adjacent cities). In spite of the red fox's adaptability to city life, they are still found in somewhat greater numbers in the northern portions of California (north of the Bay Area) than in the south, as the wilderness is more alpine and isolated. The eastern red foxes appear to have mixed with

900-478: The calendar year and the astronomical year . Within the Northern Hemisphere, oceanic currents can change the weather patterns that affect many factors within the north coast. Such events include El Niño–Southern Oscillation . Trade winds blow from east to west just above the equator. The winds pull surface water with them, creating currents, which flow westward due to the Coriolis effect . The currents then bend to

945-566: The last glacial period ended about 10,000 years ago. Earth is currently in an interglacial period of the Quaternary , called the Holocene . The glaciations that occurred during the glacial period covered many areas of the Northern Hemisphere. The Arctic is a region around the North Pole (90° latitude ). Its climate is characterized by cold winters and cool summers. Precipitation mostly comes in

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990-571: The Hudson River across from New York City), and The Watchung Mountains in Northern New Jersey. The sedimentary rocks are Late Triassic in age and are part of the lower Passaic Formation of the Newark Basin sedimentary sequence. 40°28′16″N 74°42′11″W  /  40.471°N 74.703°W  / 40.471; -74.703 Red fox The red fox ( Vulpes vulpes )

1035-619: The North American continent in two waves: before and during the Illinoian glaciation , and during the Wisconsinan glaciation . Gene mapping demonstrates that red foxes in North America have been isolated from their Old World counterparts for over 400,000 years, thus raising the possibility that speciation has occurred, and that the previous binomial name of Vulpes fulva may be valid. In

1080-506: The Ridge and Valley section and the Highlands section of northern New Jersey. Several biology courses at Hillsborough High School take field trips to the preserve to encourage students to visit and appreciate it. The Texas Eastern Transmission Pipeline goes through the middle of the park and is a fully usable trail. On clear days, Manhattan (approximately 40 miles away) is visible from the top of

1125-704: The Sun can be seen to the north, directly overhead, or to the south at noon, depending on the time of year. In the Southern Hemisphere, the midday Sun is predominantly in the north. When viewed from the Northern Hemisphere, the Moon appears inverted compared to a view from the Southern Hemisphere. The North Pole faces away from the Galactic Center of the Milky Way . This results in the Milky Way being sparser and dimmer in

1170-661: The World listed 45 subspecies as valid. In 2010, a distinct 46th subspecies, the Sacramento Valley red fox ( V. v. patwin ), which inhabits the grasslands of the Sacramento Valley, was identified through mitochondrial haplotype studies. Castello (2018) recognized 30 subspecies of the Old World red fox and nine subspecies of the North American red fox as valid. Substantial gene pool mixing between different subspecies

1215-502: The basis for the fox's Welsh name, llwynog , literally 'bushy', from llwyn 'bush'. Likewise, Portuguese : raposa from rabo 'tail', Lithuanian uodẽgis from uodegà 'tail', and Ojibwe waagosh from waa , which refers to the up and down "bounce" or flickering of an animal or its tail. The scientific term vulpes derives from the Latin word for fox, and gives the adjectives vulpine and vulpecular . The red fox

1260-477: The earliest red fox fossils have shown a smaller build than living specimens. The earliest fossil remains of the modern species date back to the mid-Pleistocene, found in association with middens and refuse left by early human settlements. This has led to the theory that the red fox was hunted by primitive humans (as both a source of food and pelts); the possibility also exists of red foxes scavenging from middens or butchered animal carcasses. Red foxes colonised

1305-576: The far north, red fox fossils have been found in Sangamonian Stage deposits near the Fairbanks District, Alaska , and Medicine Hat , Alberta . Fossils dating from the Wisconsinan are present in 25 sites across Arkansas , California , Colorado , Idaho , Missouri , New Mexico , Ohio , Tennessee , Texas , Virginia , and Wyoming . Although they ranged far south during the Wisconsinan,

1350-630: The form of snow. Areas inside the Arctic Circle (66°34′ latitude) experience some days in summer when the Sun never sets, and some days during the winter when it never rises. The duration of these phases varies from one day for locations right on the Arctic Circle to several months near the Pole, which is the middle of the Northern Hemisphere. Between the Arctic Circle and the Tropic of Cancer (23°26′ latitude) lies

1395-551: The large northern foxes and the small, basal southern grey desert foxes of Asia and North Africa. Red foxes are usually found in pairs or small groups consisting of families, such as a mated pair and their young, or a male with several females having kinship ties. The young of the mated pair remain with their parents to assist in caring for new kits. The species primarily feeds on small rodents, though it may also target rabbits , squirrels , game birds , reptiles , invertebrates and young ungulates . Fruit and vegetable matter

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1440-664: The larger subspecies V. v. alascensis , V. v. abietorum , V. v. regalis , and V. v. rubricosa . The southern (or montane) refugium occurs in the subalpine parklands and alpine meadows of the west, from the Rocky Mountains to the Cascades and the Sierra Nevada ranges, consisting of the smaller subspecies V. v. cascadensis , V. v. macroura , V. v. necator , and V. v. patwin . The latter clade has been separated from all other red fox populations since at least

1485-517: The last glacial maximum, and may possess unique ecological or physiological adaptations. Although European foxes ( V. v. crucigera ) were introduced to portions of the United States in the 1900s, recent genetic investigation indicates an absence of European fox mitochondrial haplotypes in any North American populations. Additionally, introduced eastern North American red foxes have colonised most of inland California, from Southern California to

1530-460: The onset of warm conditions shrank their range toward the north, and they have only recently reclaimed their former North American ranges because of human-induced environmental changes. Genetic testing indicates that two distinct red fox refugia exist in North America, which have been separated since the Wisconsinan. The northern (or boreal) refugium occurs in Alaska and western Canada, and consists of

1575-413: The parking lot. A complete circuit of the Ridge Trail for an experienced hiker can take about two and one-half hours. While located in a suburban section of central New Jersey, Sourland Mountain is a heavily wooded and rocky place. The Ridge Trail can be quite difficult and technical in spots. At the top of the ridge, there are some very large and beautiful exposed boulders . Roaring Brook passes through

1620-482: The pipeline. The main feature of the preserve is the 5-mile (8.0 km) Ridge Trail [white squares], suitable for hiking and off-road biking . There are two shorter routes [white circular and white triangle blazes] and "connector" trails [white "C" blaze]. The trails have been well blazed by the Somerset County Park Commission. The Park Commission supplies with trail maps, in the map box just off

1665-565: The preserve total 5.4 miles. Geologically, Sourland Mountain is composed of sedimentary and igneous rocks of Late Triassic and Early Jurassic age, and are part of the Newark basin rift lake system. The main ridge in Sourland Mountain is intrusive diabase (a type of igneous rock) associated with the same igneous event that produced the Palisades Sill (the cliffs along the west side of

1710-495: The red fox is also underway in Russia , and has resulted in the domesticated silver fox . Males are called tods or dogs, females are called vixens, and young are known as cubs or kits. Although the Arctic fox has a small native population in northern Scandinavia, and while the corsac fox 's range extends into European Russia , the red fox is the only fox native to Western Europe, and so

1755-529: The right, heading north. At about 30 degrees north latitude, a different set of winds, the westerlies , push the currents back to the east, producing a closed clockwise loop. Its surface is 60.7% water, compared with 80.9% water in the case of the Southern Hemisphere , and it contains 67.3% of Earth's land. The continents of North America and mainland Eurasia are located entirely in the Northern Hemisphere, together with about two-thirds of Africa and

1800-508: The southern edge of the preserve. While not officially a part of the preserve, hikers often visit the brook to see one of the finest boulder fields in New Jersey. Opened in 2007, a new extension to the Ridge Trail takes hikers to Roaring Brook and one of the finer boulder fields of the Northeast. The trail's extension is the result of work by the Somerset County Park Commission, with support from

1845-570: The topography. It is a short hike or ride down the gas line to get back to the original Ridge Trail. As of October 2022, The Sourland mountain preserve has five major trails: Maple Flats trail (1.4 miles), Devils half-Acre trail (1.75 miles), Roaring Rocks Trail (1 mile), Ridge Trail (1.4 miles), Tributary trail (2.5 miles). Maple flats and Tributary are relatively flat trails with rocky and uneven terrain. The Devils Half acre, Roaring Rocks, and Ridge trail are harder trails with high elevation changes and large, rocky surfaces. The perimeter of all trails at

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1890-534: The two species. Based on fossil record evidence, the last scenario seems most likely, which is further supported by the clear ecological and morphological differences between the two species. Arctic fox [REDACTED] Kit fox [REDACTED] Corsac fox [REDACTED] Rüppell's fox [REDACTED] Red fox [REDACTED] Cape fox [REDACTED] Blanford's fox [REDACTED] Fennec fox [REDACTED] Raccoon dog [REDACTED] Bat-eared fox [REDACTED] The species

1935-594: The variation in day and night. Conventionally, winter in the Northern Hemisphere is taken as the period from the December solstice (typically December 21 UTC ) to the March equinox (typically March 20 UTC), while summer is taken as the period from the June solstice through to the September equinox (typically on 23 September UTC). The dates vary each year due to the difference between

1980-496: The weather patterns that affect many factors within the north coast. For the same reason, flows of air down toward the northern surface of the Earth tend to spread across the surface in a clockwise pattern. Thus, clockwise air circulation is characteristic of high pressure weather cells in the Northern Hemisphere. Conversely, air rising from the northern surface of the Earth (creating a region of low pressure) tends to draw air toward it in

2025-482: The winter months. In the Northern Hemisphere, objects moving across or above the surface of the Earth tend to turn to the right because of the Coriolis effect . As a result, large-scale horizontal flows of air or water tend to form clockwise-turning gyres . These are best seen in ocean circulation patterns in the North Atlantic and North Pacific oceans. Within the Northern Hemisphere, oceanic currents can change

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