
Zebra Facts: Stripes, Behavior, Habitat & Species
Zebras are striped equines with 3 species in Africa. Discover why zebras have stripes, their social behaviors, habitats, and their important roles in grassland ecosystems.

Frogs are amphibians with over 7,000 species across all continents except Antarctica. Learn about frog lifecycles, adaptations, calls, and their sensitive roles as environmental indicators.
| Attribute | Value |
|---|---|
| Number of Species | Over 7,000 species |
| Goliath Frog Weight | Up to 7.2 lbs |
| Goliath Frog Length | Up to 13 inches |
| Average Lifespan | 4 to 15 years |
| Longest Jump | 6.5 feet (bullfrog) |
| Tadpole Stage | 6 to 20 weeks |
| Tongue Speed | 0.07 seconds to catch prey |
| Vision Range | Nearly 360 degrees |
Frogs are amphibians belonging to the order Anura, which means without tail. With over 7,000 species distributed worldwide, frogs inhabit diverse environments from tropical rainforests to arid deserts.
Frogs have bulging eyes that provide nearly 360 degree vision, helping them spot predators and prey from all angles. Most species can retract their eyes into their heads to help swallow food. Their powerful hind legs are specialized for jumping, with some species leaping over 20 times their body length. Tree frogs have sticky toe pads with specialized cells that adhere to smooth surfaces.
Frogs undergo dramatic transformation during their life cycle. Females lay eggs in water or moist locations, producing anywhere from 2 to 50,000 eggs depending on species. Eggs hatch into tadpoles, which are completely aquatic with gills, tails, and no legs. During metamorphosis lasting 6 to 20 weeks, tadpoles develop legs, absorb their tails, grow lungs, and change their digestive systems.
Adult frogs are carnivores that eat insects, spiders, worms, and small invertebrates. Larger species consume mice, small birds, other frogs, and even snakes. They flip their tongues out at incredible speed, catching prey in as little as 0.07 seconds. The tongue's sticky mucus is 10 times thicker than human saliva.
Male frogs produce species specific calls to attract mates and establish territories. Each species has unique call patterns that females recognize. Spring peepers create sounds reaching 100 decibels despite being only an inch long. Frogs are most vocal during breeding season.
Frogs require access to water for reproduction but otherwise inhabit diverse habitats. Rainforest species live in trees and breed in water collected in plant leaves. Desert frogs burrow underground and emerge only during rare rains. Over 200 species have gone extinct in recent decades.
The wood frog survives freezing solid in winter then thaws and hops away in spring
Some frog species can change color to blend with their surroundings
A group of frogs is called an army when they gather together
The hairy frog breaks its own bones and pushes them through its skin as claws
Glass frogs have transparent skin showing their internal organs from below
Australian water holding frogs can live underground for 5 years waiting for rain
The term frog typically refers to species with smooth, moist skin, long legs, and semi aquatic lifestyles. Toads generally have dry, bumpy skin, shorter legs, and spend more time on land. However, these distinctions are not scientific. Many toads are actually types of frogs. True toads belong to the family Bufonidae.
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