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The thylacine resembled a large, short-haired dog with a stiff tail which smoothly extended from the body in a way similar to that of a kangaroo. [31] The mature thylacine measured about 60 cm (24 in) in shoulder height and 1–1.3 m (3.3–4.3 ft) in body length, excluding the tail which measured around 50 to 65 cm (20 to 26 in). [33]
The only species to survive into modern times was the thylacine (Thylacinus cynocephalus), which became extinct in 1936. The consensus of authors prior to 1982 was that the thylacinid family were related to the Borhyaenidae , a group of South American predators, also extinct, that exhibited many similar characteristics of dentition.
The last known Tasmanian tiger was in the Beaumaris Zoo in Tasmania, eventually dying in 1936. The earliest known member of the genus, Thylacinus macknessi appeared during the Early Miocene, around 16 million years ago, and was smaller than the modern thylacine, with a body mass of about 6.7–9.0 kilograms (14.8–19.8 lb).
Gestation, called pregnancy in humans, is the period of time during which the fetus develops, dividing via mitosis inside the female. During this time, the fetus receives all of its nutrition and oxygenated blood from the female, filtered through the placenta, which is attached to the fetus' abdomen via an umbilical cord.
Thylacine_footage_compilation.ogv (Ogg Theora video file, length 2 min 50 s, 630 × 470 pixels, 1.2 Mbps, file size: 24.33 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Some species begin incubation with the first egg, causing the young to hatch at different times; others begin after laying the second egg, so that the third chick will be smaller and more vulnerable to food shortages. Some start to incubate after the last egg of the clutch, causing the young to hatch simultaneously. [10] Incubation periods for ...
Thylacines in Washington D.C., c. 1906 The International Thylacine Specimen Database (ITSD) is the culmination of a four-year research project to catalogue and digitally photograph all known surviving specimen material of the thylacine (Thylacinus cynocephalus) (or Tasmanian tiger) held within museum, university, and private collections.
It preceded the most recent species of thylacine by 4–6 million years, [2] and was 5% bigger, [3] was more robust and had a shorter, broader skull. Its size is estimated to be similar to that of a grey wolf ; the head and body together were around 5 feet long, and its teeth were less adapted for shearing compared to those of the now-extinct ...