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The longest venomous snake is the king cobra (Ophiophagus hannah), with lengths (recorded in captivity) of up to 5.7 m (19 ft) and a weight of up to 12.7 kg (28 lb). [53] It is also the largest elapid. The second-longest venomous snake in the world is possibly the African black mamba (Dendroaspis polylepis), which
The first true quadruple quasar system was discovered in 2015 at a redshift z = 2.0412 and has an overall physical scale of about 200 kpc (roughly 650,000 light-years). [74] A multiple-image quasar is a quasar whose light undergoes gravitational lensing, resulting in double, triple
Larger specimens usually eat animals about the size of a domestic cat, but larger food items are not unknown: the diet of the green anaconda (Eunectes murinus) is known to include subadult tapirs. Prey is swallowed whole, and may take several days or even weeks to fully digest.
Vasuki is an extinct genus of madtsoiid snake from the Middle Eocene Naredi Formation of India. The genus contains a single species , V. indicus , known from several vertebrae . Vasuki has an estimated body length between 10.9–15.2 m (36–50 ft), making it the largest known madtsoiid.
Based on the size of the vertebrae, Titanoboa is the largest snake in the paleontological record. In modern constrictors like boids and pythonids , increased body size is achieved through larger vertebrae rather than an increase in the number of bones making up the skeleton, allowing for length estimates based on individual bones.
Madtsoiid snakes ranged in size from less than 1 metre (3.3 ft) (estimated total length) to over 11 metres (36 ft), and are thought to have been constrictors analogous to modern pythons and boas, but with more primitive jaw structures less highly adapted for swallowing large prey. There are specific anatomical features that diagnose members of ...
These species varied broadly in size; Palaeophis casei is the smallest at 1.3 metres of length, while the largest species, Palaeophis colossaeus, is estimated to have been 8.1–12.3 m (27–40 ft) long based on isolated vertebrae, [4] [8] making it one of the largest known snakes. However, most species of the genus were not as big.
A diagram showing the estimated lengths of Gigantophis garstini compared to other large snakes.. Jason Head, of the Smithsonian Institution in Washington, DC, has compared fossil Gigantophis garstini vertebrae to those of the largest modern snakes, and concluded that the extinct snake could grow from 9.3 to 10.7 m (30.5 to 35.1 ft) in length.