|Size||3.5-9 in (9-24 cm)|
|Speed||Up to 10 mph (17 km/h)|
|Weight||0.6-4.4 lb (300-2,000 g)|
|Food||Insects, spiders, fishes|
|Predators||Snakes, fish, tortoises|
|Scientific name||Pyxicephalus adspersus, Lithobates catesbeiana|
|Characteristics||Sturdy legs; moos like a cow.|
Bullfrog is a collective term for frogs of completely different species. The best-known are the African bullfrog and the North-American bullfrog. This profile deals with those two species. Both are quite large, sturdy and heavy. Even though they look quite good-natured and relaxed, they are very aggressive – particularly when defending their territory of fighting for the love of some bullfrog lady.
• North-American Bullfrog (Lithobates catesbeianus)
Up to 8 in (20 cm long) at a weight of 1.6 lb (750 g)
• African Bullfrog (Pyxicephalus adspersus)
Up to 9 in (24 cm) long and a weight of up to 4.4 lb (2 kg)
Ravenously Hungry Bullfrog
The African bullfrog eats everything that comes close to its mouth and can be swallowed. A hungry bullfrog once caused quite a stir at a zoo in Pretoria (South Africa): It hopped into the snake compound and devoured 17 (!) ring-necked spitting cobras.
The sound of its calls is very deep and resembles the mooing of a cow. It uses the call to defend itself against enemies such as pelicans or nile monitors.
Broad Jump Champion
For its size, the bullfrog is a real broad jump wonder. The eastern grey kangaroo still holds the record with a distance of 42.6 ft (13 m) on shore. But it is much larger than the bullfrog. A broad jump over a distance of 6.56 ft (2 m) is an incredible achievement for a small animal like a bullfrog. This is 10 times its own body length. Can you jump so far?
A Sleepless Frog?
Scientists believe that the bullfrog is the only animal that never sleeps. They put it to a not very animal-friendly test: The bullfrog was exposed to slight electric shocks. But even when the bullfrog was obviously relaxing, the animal showed the same reactions as when it was awake and active. The test results were published in 1967, and since then the bullfrog is considered the only animal that never sleeps. Yet, there is no evidence for this, and hopefully nobody will ever come up with the idea to repeat the painful tests.
- Watch now on animalfunfacts.net:
- Video: All about Amphibians - 5 Interesting Facts - e.g. about bullfrogs