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Hatchling. The ornate monitor (Varanus niloticus ornatus) is a monitor lizard that is native to West and Middle Africa. [1] [2] Comprehensive molecular analyses of the group have demonstrated that animals previously assigned to "Varanus ornatus" do not constitute a valid taxon and are actually polymorphisms of two different species; Varanus stellatus (west African Nile monitor) and Varanus ...
As traditionally defined, the Nile monitor is a species complex. [3] The ornate monitor (V. ornatus) and West African Nile monitor (V. stellatus) were described as species in 1802 and 1803 by François Marie Daudin. In 1942, Robert Mertens moved them both into the Nile monitor (V. niloticus); as synonyms or as a valid subspecies. [12]
Nile monitors usually measure 1 m (3 ft 3 in) in length and weighs around 5 kg (11 lb), with exceptionally large specimens exceeding 2.4 m (7 ft 10 in) in length and 20 kg (44 lb) in mass, making it not only the fourth largest lizard after the Komodo dragon, Asian water monitor and crocodile monitor, but also the second largest reptile in the ...
The most commonly kept monitors are the savannah monitor and Ackie dwarf monitor, due to their relatively small size, low cost, and relatively calm dispositions with regular handling. [3] Among others, black-throated , Timor , Asian water , Nile , mangrove , emerald tree , black tree , roughneck , Dumeril's , peach-throated , crocodile , and ...
The rock monitor (Varanus albigularis) is a species of monitor lizard in the family Varanidae. The species is endemic to Sub-Saharan Africa , where, on average it is the largest lizard found on the continent.
The West African Nile monitor (Varanus niloticus stellatus) is a subspecies of the Nile monitor that is native to West African forests and adjacent savannah (east to northern Cameroon). [1] It has also been introduced to Florida , United States, where it is considered invasive .
The crocodile monitor (Varanus salvadorii), also known as the Papuan monitor or Salvadori's monitor, is a species of monitor lizard endemic to New Guinea. It is the largest monitor lizard in New Guinea and is one of the longest lizards , verified at up to 255 cm (100 in).
The first use of "monitor" to refer to the lizards, as far as I can tell, is when Linnaeus gave the name Lacerta monitor to the Nile monitor in 1758. Linnaeus, of course, was a native German speaker who was writing in Latin, so it would be unremarkable for him to accidentally translate what is formally "Waran" as if it was "Warner" and so get ...