Rosenberg's treefrog, Rosenberg's gladiator frog, Rosenberg's gladiator treefrog
Rosenberg's treefrog (Hypsiboas rosenbergi ), also known as Rosenberg's gladiator frog or Rosenberg's gladiator treefrog, is a species of frog in the family Hylidae found in Costa Rica, Panama, Colombia, Trinidad and Tobago and north-western Ecuador. Its scientific name is a testimony to Mr. W. F. H. Rosenberg who collected the type series, and its English name refers to the aggressiveness of males of the species.
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Jumping (saltation) can be distinguished from running, galloping, and other gaits where the entire body is temporarily airborne by the relatively l...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withMales of B. rosenbergi measure on average 83 mm (3.3 in) in snout–vent length and females 86 mm (3.4 in). It has partly webbed fingers and entirely webbed toes and large disks on both fingers and toes. Its skin is granulated with small warts, and yellowish, greyish, or reddish in colour, with brown or blackish marbling or spots.
Gladiator frogs are so named because of the aggressive nature of males. Female gladiator frogs only mate with males that provide a nest. Males can acquire a nest either by building one, using a suitable water-filled depression, or conquering another male's nest; the aggressive behaviour of males relates to the third strategy. The way of acquiring a nest depends on local conditions (availability of suitable sites for nest construction or suitable natural depressions) and may differ between populations. Thus, in some populations, males do not fight, possibly reflecting high abundance of suitable nests, and reduced risk of hostile takeovers.
