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Australian scrub python

January 01, 1970

Not to be confused with Amethystine python.

The Australian scrub python (Simalia kinghorni), or simply scrub python is a species of snake in the family Pythonidae. The species is indigenous to forests of northern Australia. It is one of the world's longest and largest snakes, and is the longest and largest in Australia. Recently, it has been reclassified to the genus Simalia alongside a few other former Morelia species, but scientific debate over this continues.

Simalia kinghorni
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Pythonidae
Genus: Simalia
Species:
S. kinghorni
Binomial name
Simalia kinghorni
(Stull, 1933)
Synonyms[1]
  • Liasis amethistinus kinghorni
    Stull, 1933
  • Australiasis kinghorni
    — Wells & Wellington, 1984
  • Morelia kinghorni
    — Harvey et al., 2000
  • Simalia kinghorni
    — Reynolds et al., 2014
Releasing a scrub python back to the wild, near Cooktown. 1999

Taxonomy edit

American herpetologist Olive Griffith Stull described the taxon in 1933 from a specimen at the Museum of Comparative Zoology that had been collected at Lake Barrine in north Queensland, classifying it as a subspecies of the amethystine python based on its larger number of scales.[2] The specific name, kinghorni, is in honour of Australian herpetologist and ornithologist James Roy Kinghorn.[3] It was first raised to species status by Wells and Wellington in 1984, and given the name Australiasis kinghorni. American biologist Michael Harvey and colleagues investigated the amethystine python complex and confirmed its classification as a separate species based on cladistic analysis of mitochondrial cytochrome b sequences and morphology.[4] In 2014 cladistic analysis of nuclear and mitochondrial genes of pythons and boas, R. Graham Reynolds and colleagues concluded that the support for its distinctness was weak.[5]

Description edit

This snake is commonly considered arboreal or tree-dwelling, making it one of the world's largest and longest arboreal species of snakes. This snake has an ornate back pattern consisting of browns and tans, with many different natural variations. Its belly is usually white, sometimes with some yellows.

Size edit

S. kinghorni exhibits an unusual sexual dimorphism among pythons. Males are usually a third longer and twice as heavy. Females reach sexual maturity with a snout-vent length of about 2.27 m (7.4 ft) while males reach sexual maturity with snout-vent length of 1.34 m (4.4 ft).[6] On Tully, a river about 140 km south of Cairns, 24 adult females were measured. They had an average length from head to body of 2.68 m (8.8 ft) and a mass of 3.4 kg (7.5 lb). In the same place, 80 adult males had an average snout-vent length of 2.91 m (9.5 ft) and a weight of 5.1 kg (11 lb). Of these, the largest male had a head-to-body length of 3.76 m (12.3 ft) and a weight of 11 kg (24 lb).[7] In the past, data on the lengths of individuals longer than 6 meters were repeatedly mentioned in the literature, and all of them today can no longer be verified and cause serious doubts, in particular, in Fearn & Sambono (2000). The most extreme information comes from Worell, who reported in 1954 second-hand about an animal allegedly 8.5 m (28 ft) long from Greenhill in Cairns,[4] described it as 7.6 m (25 ft) in 1958 and repeatedly mentioned the same thing in 1963 under the first length. He leaves open the question of whether the mass refers to a corpse or to skin stretched more than 3 m (9.8 ft). Dean also describes an extremely large specimen from Barron Falls in 1954 with a total length of 7.2 m (24 ft), which, however, consisted of an artificially stretched frame that decomposed in the tropics for more than two days, though it was considered reliable by the staff of the Guinness Book of World Records.[8] The largest female Australian scrub python, seriously measured to date, was caught in Palm Cove near Cairns in 2000, had a total length of 5.65 m (18.5 ft), 12 cm (4.7 in) on the head and 75 cm (30 in) on the tail, a circumference in the middle of the body of 36 cm (14 in) and a weight of 24 kg (53 lb).[9][10] The largest male seriously measured to date was discovered in Kuranda in 2002, its length was 5.33 m (17.5 ft), of which the length of the head was 11 cm (4.3 in), and the incomplete tail was 60 cm (24 in), and the weight was 19 kg (42 lb).[10][11] However, individuals are also known measured even more large sizes, some can weigh more than 27 kg (60 lb) with a length of more than 5 m (16 ft).[12][13][14]

Distribution and habitat edit

 
Distribution of S. kinghorni: range shown as dark green region

S. kinghorni in mostly is found in Northern Australia, in Queensland and Cape York Peninsula. The species also occurs in several Islands of Torres Strait (e.g. Hinchinbrook). On the mainland, its range extends from the tip of the Cape York Peninsula south along the coastal rainforest through the Atherton Tableland, the forested eastern foothills of the Great Dividing Range, along the coast through Mount Speck to the Burdekin River south of Townsville.[15] In 2004, an even more southern population was described in the Conway rainforest, south of Airlie Beach.[16] Accurate information about the population size and possible connections with more northern populations is not yet available. However, it is assumed that it was installed in 1990 by adult animals that escaped from the local zoo, and has been successfully distributed since then living within various forests and more densely vegetated parts of the Australian bush.[15]

Diet edit

 
Scrub python swallows small wallaby near Daintree National Park , Australia

S. kinghorni is one of the largest land predators in Australia, and depending on the habitat, age and size, the prey range can vary from small mammals, birds and reptiles to wallabies. The basis of the diet consists of birds and mammals.[7] Among them, for example, rainbow bee-eaters (Merops ornatus),[4] bush rats (Rattus fuscipes),[7] northern quolls (Dasyurus hallucatus),[17] spectacled flying fox (Pteropus conspicillatus), northern brown bandicoots (Isoodon macrourus),[7] long-nosed bandicoots (Perameles nasuta) and striped possums (Dactylopsila trivirgata). In addition, on the outskirts of settlements, the species repeatedly feeds on domestic poultry.[18] Relatively often there is also predation of pythons on small wallaby species[19][20][21][22][23] in particular agile wallabies (Notamacropus agilis), red-legged pademelons (Thylogale stigmatica) and Bennett's tree-kangaroos (Dendrolagus bennettianus). One of the largest animal victims documented to date was a 10 kg (22 lb) adult mobile wallaby, which was swallowed by a female python 4.33 m (14.2 ft) long and weighing 13.5 kg (30 lb).[24]

In captivity edit

The Australian scrub python is somewhat rare in the pet trade outside of Australia. However, with captive breeding projects and hobbyists interested in the species, it is becoming more available, with its New Guinea counterparts being much more available (especially in the United States).

Gallery edit

  •  
    A 3.2-m-long, intact Australian scrub python skin in Australia: The snake that shed this skin would be significantly shorter than 3.2 m, as the snake's skin is folded on top of and below each scale. This causes a shed skin to be almost twice as long as the snake that shed it.
  •  
    S. kinghorni from the Bronx Zoo in New York City
  •  
    Wild S. kinghorni, North Queensland
  •  
    Australian scrub python near Cooktown, Queensland, Australia, 2014
  •  
    Australian scrub python visiting a kitchen at a home near Cooktown, Queensland, Australia, 2014

References edit

  1. ^ Species Simalia kinghorni at The Reptile Database
  2. ^ Stull, Olive Griffith (1933). "Two new subspecies of the family Boidae" (PDF). Occasional Papers of the Museum of Zoology University of Michigan (267): 1–4.
  3. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Morelia kinghorni, p. 141).
  4. ^ a b c Harvey, Michael B.; Barker, David G.; Ammerman, Loren K.; Chippindale, Paul T. (2000). "Systematics of Pythons of the Morelia amethistina Complex (Serpentes: Boidae) with the Description of three new Species". Herpetological Monographs. 14: 139–185. doi:10.2307/1467047. JSTOR 1467047.
  5. ^ Reynolds, R. Graham; Niemiller, Matthew L.; Revell, Liam J. (2014). "Toward a tree-of-life for the boas and pythons: multilocus species-level phylogeny with unprecedented taxon sampling". Molecular Phylogenetics and Evolution. 71: 201–213. doi:10.1016/j.ympev.2013.11.011. PMID 24315866.
  6. ^ A. Freeman, C. Bruce: The Things You Find on the Road: Roadkill and Incidental Data as an Indicator of Habitat Use in Two Species of Tropical Pythons. In: R. W. Henderson, R. Powell (Hrsg.): Biology of the Boas and Pythons. Eagle Mountain Publishing Company, Eagle Mountain 2007, ISBN 978-0-9720154-3-1, pp. 153–165.
  7. ^ a b c d Fearn S; Schwarzkopf L; Shine R. (PDF). CSIRO Publishing / Wildlife Research. Archived from the original (PDF) on 27 September 2013. Retrieved 2013-01-10.
  8. ^ Wood, Gerald (1983). The Guinness Book of Animal Facts and Feats. Guinness Superlatives. ISBN 978-0-85112-235-9.
  9. ^ S. L. Fearn; J. Sambono (2000). "A reliable size record for the Scrub Python Morelia amethistina (Serpentes: Pythonidae) in north east Queensland". Herpetofauna. 30: 2–6. Retrieved 3 September 2022.
  10. ^ a b Scanlon, John D. (2014). "3". Giant terrestrial reptilian carnivores of Cenozoic Australia. CSIRO Publishing.
  11. ^ S. L. Fearn: Notes on a maximal sized Scrub Python Morelia amethistina (Serpentes: Pythonidae) from Kuranda, North East Queensland. Herpetofauna 32, 2002, pp. 2–3.
  12. ^ "Two monster scrub pythons caught in Speewah near Cairns in two days". Cairnssnakecatcher.com.au. Retrieved 16 June 2022.
  13. ^ "5.5m Scrub Python in Speewah". Cairnssnakecatcher.com.au. Retrieved 16 June 2022.
  14. ^ "Big Scrub Python – Machans Beach". Cairnssnakecatcher.com.au. Retrieved 16 June 2022.
  15. ^ a b S. L. Fearn, D. Trembath: Southern distribution limits and a traslocated population of scrub python Morelia kinghorni (Serpentes: Pythonidae) in tropical Queensland. Herpetofauna 36, Tom 2, 2006, pp. 85–87.
  16. ^ J. Augusteyn: Southerly range extension for the amethystine python Morelia kinghorni (Squamata: Boidae) in Queensland. Memoirs of the Queensland Museum 49, Tom 2, 2004, p. 602, online, pdf
  17. ^ S. L. Fearn, J. Sambono: Some ambush predation postures of the Scrub Python Morelia amethistina (Serpentes: Pythonidae) in north east Queensland. Herpetofauna 30, 2000, pp. 39–44.
  18. ^ R. W. Martin: Field Observation of Predation on Bennett's Treekangaroo (Dendrolagus bennettianus) by an Amethystine Python (Morelia amethistina). Herpetological Review 26, Tom 2, 1995, pp. 74–76
  19. ^ "Snake eats wallaby on Australian golf course". Bbc.com. 13 December 2016. Retrieved 2022-06-28.
  20. ^ "Snake filmed eating snake in Ipswich". Brisbanetimes.com.au. 3 January 2017. Retrieved 2022-06-28.
  21. ^ Huge Python Caught Devouring Whole Wallaby. Caters Clips. 12 February 2019. Retrieved 2022-06-28.
  22. ^ "Giant python devours wallaby in Australia, shocking photos show". Foxnews.com. 13 February 2019. Retrieved 2022-06-28.
  23. ^ "This video of a 17-foot python swallowing a whole kangaroo is weirdly mesmerising". Businessinsider.com. 22 February 2016. Retrieved 2022-06-28.
  24. ^ S. Fearn: Morelia amethistina (Scrub Python). Diet. Herpetological Review 33, Tom 1, 2002, pp. 58–59


January 01, 1970
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Not to be confused with Amethystine python The Australian scrub python Simalia kinghorni or simply scrub python is a species of snake in the family Pythonidae The species is indigenous to forests of northern Australia It is one of the world s longest and largest snakes and is the longest and largest in Australia Recently it has been reclassified to the genus Simalia alongside a few other former Morelia species but scientific debate over this continues Simalia kinghorni Scientific classification Domain Eukaryota Kingdom Animalia Phylum Chordata Class Reptilia Order Squamata Suborder Serpentes Family Pythonidae Genus Simalia Species S kinghorni Binomial name Simalia kinghorni Stull 1933 Synonyms 1 Liasis amethistinus kinghorni Stull 1933 Australiasis kinghorni Wells amp Wellington 1984 Morelia kinghorni Harvey et al 2000 Simalia kinghorni Reynolds et al 2014 Releasing a scrub python back to the wild near Cooktown 1999 Contents 1 Taxonomy 2 Description 2 1 Size 3 Distribution and habitat 4 Diet 5 In captivity 6 Gallery 7 ReferencesTaxonomy editAmerican herpetologist Olive Griffith Stull described the taxon in 1933 from a specimen at the Museum of Comparative Zoology that had been collected at Lake Barrine in north Queensland classifying it as a subspecies of the amethystine python based on its larger number of scales 2 The specific name kinghorni is in honour of Australian herpetologist and ornithologist James Roy Kinghorn 3 It was first raised to species status by Wells and Wellington in 1984 and given the name Australiasis kinghorni American biologist Michael Harvey and colleagues investigated the amethystine python complex and confirmed its classification as a separate species based on cladistic analysis of mitochondrial cytochrome b sequences and morphology 4 In 2014 cladistic analysis of nuclear and mitochondrial genes of pythons and boas R Graham Reynolds and colleagues concluded that the support for its distinctness was weak 5 Description editThis snake is commonly considered arboreal or tree dwelling making it one of the world s largest and longest arboreal species of snakes This snake has an ornate back pattern consisting of browns and tans with many different natural variations Its belly is usually white sometimes with some yellows Size edit S kinghorni exhibits an unusual sexual dimorphism among pythons Males are usually a third longer and twice as heavy Females reach sexual maturity with a snout vent length of about 2 27 m 7 4 ft while males reach sexual maturity with snout vent length of 1 34 m 4 4 ft 6 On Tully a river about 140 km south of Cairns 24 adult females were measured They had an average length from head to body of 2 68 m 8 8 ft and a mass of 3 4 kg 7 5 lb In the same place 80 adult males had an average snout vent length of 2 91 m 9 5 ft and a weight of 5 1 kg 11 lb Of these the largest male had a head to body length of 3 76 m 12 3 ft and a weight of 11 kg 24 lb 7 In the past data on the lengths of individuals longer than 6 meters were repeatedly mentioned in the literature and all of them today can no longer be verified and cause serious doubts in particular in Fearn amp Sambono 2000 The most extreme information comes from Worell who reported in 1954 second hand about an animal allegedly 8 5 m 28 ft long from Greenhill in Cairns 4 described it as 7 6 m 25 ft in 1958 and repeatedly mentioned the same thing in 1963 under the first length He leaves open the question of whether the mass refers to a corpse or to skin stretched more than 3 m 9 8 ft Dean also describes an extremely large specimen from Barron Falls in 1954 with a total length of 7 2 m 24 ft which however consisted of an artificially stretched frame that decomposed in the tropics for more than two days though it was considered reliable by the staff of the Guinness Book of World Records 8 The largest female Australian scrub python seriously measured to date was caught in Palm Cove near Cairns in 2000 had a total length of 5 65 m 18 5 ft 12 cm 4 7 in on the head and 75 cm 30 in on the tail a circumference in the middle of the body of 36 cm 14 in and a weight of 24 kg 53 lb 9 10 The largest male seriously measured to date was discovered in Kuranda in 2002 its length was 5 33 m 17 5 ft of which the length of the head was 11 cm 4 3 in and the incomplete tail was 60 cm 24 in and the weight was 19 kg 42 lb 10 11 However individuals are also known measured even more large sizes some can weigh more than 27 kg 60 lb with a length of more than 5 m 16 ft 12 13 14 Distribution and habitat edit nbsp Distribution of S kinghorni range shown as dark green region S kinghorni in mostly is found in Northern Australia in Queensland and Cape York Peninsula The species also occurs in several Islands of Torres Strait e g Hinchinbrook On the mainland its range extends from the tip of the Cape York Peninsula south along the coastal rainforest through the Atherton Tableland the forested eastern foothills of the Great Dividing Range along the coast through Mount Speck to the Burdekin River south of Townsville 15 In 2004 an even more southern population was described in the Conway rainforest south of Airlie Beach 16 Accurate information about the population size and possible connections with more northern populations is not yet available However it is assumed that it was installed in 1990 by adult animals that escaped from the local zoo and has been successfully distributed since then living within various forests and more densely vegetated parts of the Australian bush 15 Diet edit nbsp Scrub python swallows small wallaby near Daintree National Park Australia S kinghorni is one of the largest land predators in Australia and depending on the habitat age and size the prey range can vary from small mammals birds and reptiles to wallabies The basis of the diet consists of birds and mammals 7 Among them for example rainbow bee eaters Merops ornatus 4 bush rats Rattus fuscipes 7 northern quolls Dasyurus hallucatus 17 spectacled flying fox Pteropus conspicillatus northern brown bandicoots Isoodon macrourus 7 long nosed bandicoots Perameles nasuta and striped possums Dactylopsila trivirgata In addition on the outskirts of settlements the species repeatedly feeds on domestic poultry 18 Relatively often there is also predation of pythons on small wallaby species 19 20 21 22 23 in particular agile wallabies Notamacropus agilis red legged pademelons Thylogale stigmatica and Bennett s tree kangaroos Dendrolagus bennettianus One of the largest animal victims documented to date was a 10 kg 22 lb adult mobile wallaby which was swallowed by a female python 4 33 m 14 2 ft long and weighing 13 5 kg 30 lb 24 In captivity editThe Australian scrub python is somewhat rare in the pet trade outside of Australia However with captive breeding projects and hobbyists interested in the species it is becoming more available with its New Guinea counterparts being much more available especially in the United States Gallery edit nbsp A 3 2 m long intact Australian scrub python skin in Australia The snake that shed this skin would be significantly shorter than 3 2 m as the snake s skin is folded on top of and below each scale This causes a shed skin to be almost twice as long as the snake that shed it nbsp S kinghorni from the Bronx Zoo in New York City nbsp Wild S kinghorni North Queensland nbsp Australian scrub python near Cooktown Queensland Australia 2014 nbsp Australian scrub python visiting a kitchen at a home near Cooktown Queensland Australia 2014References edit Species Simalia kinghorni at The Reptile Database Stull Olive Griffith 1933 Two new subspecies of the family Boidae PDF Occasional Papers of the Museum of Zoology University of Michigan 267 1 4 Beolens Bo Watkins Michael Grayson Michael 2011 The Eponym Dictionary of Reptiles Baltimore Johns Hopkins University Press xiii 296 pp ISBN 978 1 4214 0135 5 Morelia kinghorni p 141 a b c Harvey Michael B Barker David G Ammerman Loren K Chippindale Paul T 2000 Systematics of Pythons of the Morelia amethistina Complex Serpentes Boidae with the Description of three new Species Herpetological Monographs 14 139 185 doi 10 2307 1467047 JSTOR 1467047 Reynolds R Graham Niemiller Matthew L Revell Liam J 2014 Toward a tree of life for the boas and pythons multilocus species level phylogeny with unprecedented taxon sampling Molecular Phylogenetics and Evolution 71 201 213 doi 10 1016 j ympev 2013 11 011 PMID 24315866 A Freeman C Bruce The Things You Find on the Road Roadkill and Incidental Data as an Indicator of Habitat Use in Two Species of Tropical Pythons In R W Henderson R Powell Hrsg Biology of the Boas and Pythons Eagle Mountain Publishing Company Eagle Mountain 2007 ISBN 978 0 9720154 3 1 pp 153 165 a b c d Fearn S Schwarzkopf L Shine R Giant snakes in tropical forests a field study of Australian scrub pythons PDF CSIRO Publishing Wildlife Research Archived from the original PDF on 27 September 2013 Retrieved 2013 01 10 Wood Gerald 1983 The Guinness Book of Animal Facts and Feats Guinness Superlatives ISBN 978 0 85112 235 9 S L Fearn J Sambono 2000 A reliable size record for the Scrub Python Morelia amethistina Serpentes Pythonidae in north east Queensland Herpetofauna 30 2 6 Retrieved 3 September 2022 a b Scanlon John D 2014 3 Giant terrestrial reptilian carnivores of Cenozoic Australia CSIRO Publishing S L Fearn Notes on a maximal sized Scrub Python Morelia amethistina Serpentes Pythonidae from Kuranda North East Queensland Herpetofauna 32 2002 pp 2 3 Two monster scrub pythons caught in Speewah near Cairns in two days Cairnssnakecatcher com au Retrieved 16 June 2022 5 5m Scrub Python in Speewah Cairnssnakecatcher com au Retrieved 16 June 2022 Big Scrub Python Machans Beach Cairnssnakecatcher com au Retrieved 16 June 2022 a b S L Fearn D Trembath Southern distribution limits and a traslocated population of scrub python Morelia kinghorni Serpentes Pythonidae in tropical Queensland Herpetofauna 36 Tom 2 2006 pp 85 87 J Augusteyn Southerly range extension for the amethystine python Morelia kinghorni Squamata Boidae in Queensland Memoirs of the Queensland Museum 49 Tom 2 2004 p 602 online pdf S L Fearn J Sambono Some ambush predation postures of the Scrub Python Morelia amethistina Serpentes Pythonidae in north east Queensland Herpetofauna 30 2000 pp 39 44 R W Martin Field Observation of Predation on Bennett s Treekangaroo Dendrolagus bennettianus by an Amethystine Python Morelia amethistina Herpetological Review 26 Tom 2 1995 pp 74 76 Snake eats wallaby on Australian golf course Bbc com 13 December 2016 Retrieved 2022 06 28 Snake filmed eating snake in Ipswich Brisbanetimes com au 3 January 2017 Retrieved 2022 06 28 Huge Python Caught Devouring Whole Wallaby Caters Clips 12 February 2019 Retrieved 2022 06 28 Giant python devours wallaby in Australia shocking photos show Foxnews com 13 February 2019 Retrieved 2022 06 28 This video of a 17 foot python swallowing a whole kangaroo is weirdly mesmerising Businessinsider com 22 February 2016 Retrieved 2022 06 28 S Fearn Morelia amethistina Scrub Python Diet Herpetological Review 33 Tom 1 2002 pp 58 59 Retrieved from https en wikipedia org w index php title Australian scrub python amp oldid 1214668818, wikipedia, wiki, book, books, library,

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