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Breviceps bagginsi és una espècie de granota que viu a Sud-àfrica.
Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.
Breviceps bagginsi és una espècie de granota que viu a Sud-àfrica.
Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.
Bilbo's rain frog (Breviceps bagginsi) is an amphibian species in the family Brevicipitidae, endemic to South Africa.[2] The frog was named after Bilbo Baggins, the main character from The Hobbit by J.R.R Tolkien.[3] The frog was named as such because the scientist who discovered it (L.R Minter) used to read the novel to his children.[4] Its natural habitats are temperate grasslands and edges of wood plantations, wherein it spends most of its time in its burrow. The species is threatened by construction, maintenance of roads, silviculture, general habitat degradation/habitat loss, and by road traffic. As a result, it is listed as Near Threatened in the IUCN Red List of Threatened Species.[1]
Breviceps bagginsi is a microhylid (narrow-mouthed) frog from the family of Brevicipitidae and was discovered in the year 2003.[3] The body size of male individuals varies from 20 to 25.9 mm and females measure approximately 28.7 mm in length.[5] With its highly truncated snout it is well adapted to its burrowing lifestyle. They have a characteristic tympanic membrane and their pupil is horizontally ecliptic.
The dorsum of Breviceps bagginsi is a medium to dark brown and it has fairly granular skin texture with darkly pigmented tubercles, each containing openings of 2-6 dermal glands. The ventrum is smooth and of light color. Breviceps bagginsi has a black stripe running from its eye to the origin of its arm. They have a lighter bar between the eyes and a white stripe from their lower eyelid to their mouth. The sides of its body are brown with a few white speckles.[5]
As all species from Brevicipitidae, Breviceps bagginsi lack sphenethmoids, and a middle ear.[6] Sphenethmoids are the bone of the skull surrounding the anterior end of an amphibian's brain.[7]
Breviceps bagginsi only occur in South Africa. They live on edges of wood plantations in Kwazulu-Natal midlands of southeastern South Africa along the mist belt from Boston in the west to Melmoth in the north-east and down to the coast at Mkambati.[8] They occur in an elevation range of 25–1400 m ASL (meters above sea level).[1]
The Mkambati area is protected due to its biodiversity and therefore high conservation value. The Breviceps bagginsi population in this area lives in undisturbed grasslands.[1][9]
Their mating call has two different call bouts, both at a frequency of 2552 Hz.[5] Males produce their mating call while underneath vegetation to protect them from the heat. Due to the frog's sensitivity to dry heat, mating calls last longer during cooler wetter weather.[10]
As a member of the genus Breviceps, Breviceps bagginsi shows sexual dimorphism, and the males are much smaller than the females.[10] Unlike other frogs, Breviceps males have very short limbs relative to their body size.[6] Therefore, they are not able to amplex the females during the process of mating, but with an adhesive secretion they can adhere to the body of the female.[11] While the male remains adhered to the female, she carries him on her back until the pair can find a place to burrow, and the female then lays her clutch of 20-50 eggs in their nest.[10]
Breeding occurs in subterranean nests[12][13] during spring and summer.[10] Offspring hatch fully developed from eggs directly.[6] Offspring also develop further in the burrows, as rain frogs do not have a free-swimming tadpole stage, and emerge from them once fully mature.[10]
Similar to the other members of Breviceps, Bilbo's rain frog has a life span ranging from 4 to 15 years.
Much like the other members of Breviceps, Breviceps bagginsi burrows in subterranean nests underneath the clay loam their habitats usually harbor.[10] The frog stays in the burrow until it is wet enough on the surface for it to come out.[10] Breviceps bagginsi's hind legs and feet are strong and highly adapted for burrowing. When burrowing, the frog buries itself backwards rapidly.[13][10] Bilbo's rain frog also runs rather than jumping (as do the other members of Breviceps).[14]
When threatened, Breviceps "puff up" to appear larger and more threatening, they do this by inflating their lungs.[13][15][6] Breviceps also secrete a sticky white substance from their skin, and sometimes emit a harsh shriek as a defense mechanism.[13]
Breviceps bagginsi is both a terrestrial and fossorial amphibian, and therefore it spends a great deal of time in its burrow, but once termites emerge they leave their nests to feed.[10] Breviceps bagginsi is an insectivore, and they also feed upon ants, beetles, moths, woodlice, amphipods, juvenile millipedes, caterpillars, and other small arthropods.[13][10]
On the IUCN Red List of Threatened Species Breviceps bagginsi was listed as data deficient until 2010. In 2017 it was relisted as Near Threatened because of the small area of occurrence (11'000 km2) and the declining area of occupancy, which is only 10% of the occurrence (1'100 km2). Although their occupancy is declining, their occurrence remains the same. Furthermore, Breviceps bagginsi live in extremely fragmented subpopulations and the quality of their habitat is decreasing due to sylviculture and construction and maintenance of roads.
Subpopulation sizes are around 20-30 individuals. Distances between subpopulations are too long to allow dissemination within one generation.[1]
Bilbo's rain frog (Breviceps bagginsi) is an amphibian species in the family Brevicipitidae, endemic to South Africa. The frog was named after Bilbo Baggins, the main character from The Hobbit by J.R.R Tolkien. The frog was named as such because the scientist who discovered it (L.R Minter) used to read the novel to his children. Its natural habitats are temperate grasslands and edges of wood plantations, wherein it spends most of its time in its burrow. The species is threatened by construction, maintenance of roads, silviculture, general habitat degradation/habitat loss, and by road traffic. As a result, it is listed as Near Threatened in the IUCN Red List of Threatened Species.
Breviceps bagginsi es una especie de anfibios de la familia Microhylidae.
Endémica de la provincia de KwaZulu-Natal (Sudáfrica).
Se encuentra amenazada de extinción por la pérdida de su hábitat natural.
Breviceps bagginsi es una especie de anfibios de la familia Microhylidae.
Breviceps bagginsi Breviceps generoko animalia da. Anfibioen barruko Brevicipitidae familian sailkatuta dago, Anura ordenan.
Breviceps bagginsi Breviceps generoko animalia da. Anfibioen barruko Brevicipitidae familian sailkatuta dago, Anura ordenan.
Breviceps bagginsi est une espèce d'amphibiens de la famille des Brevicipitidae[1].
Cette espèce est endémique du KwaZulu-Natal en Afrique du Sud[1]. Elle vit dans les prairies entre 25 et 1 400 m d'altitude[2].
Cette espèce est nommée en référence au personnage Bilbo Baggins[3].
Breviceps bagginsi est une espèce d'amphibiens de la famille des Brevicipitidae.
Breviceps bagginsi é uma espécie de anfíbio da família Microhylidae.
É endémica da África do Sul.
Os seus habitats naturais são: campos de gramíneas de clima temperado e plantações .[1]
Está ameaçada por perda de habitat.[1]
Breviceps bagginsi é uma espécie de anfíbio da família Microhylidae.
É endémica da África do Sul.
Os seus habitats naturais são: campos de gramíneas de clima temperado e plantações .
Está ameaçada por perda de habitat.
Breviceps bagginsi — вид жаб родини Вузькороті (Microhylidae). Ендемік Південної Африки. Трапляється від 25 до 1 400 м над рівнем моря в провінції Квазулу-Наталь в південно-східній частині Південно-Африканської Республіки. Її природнім місцем проживання є помірні пасовища і плантації. Вид перебуває під загрозою зникнення, через втрату місць проживання.
Це незавершена стаття з герпетології.Breviceps bagginsi — вид жаб родини Вузькороті (Microhylidae). Ендемік Південної Африки. Трапляється від 25 до 1 400 м над рівнем моря в провінції Квазулу-Наталь в південно-східній частині Південно-Африканської Республіки. Її природнім місцем проживання є помірні пасовища і плантації. Вид перебуває під загрозою зникнення, через втрату місць проживання.
Breviceps bagginsi là một loài ếch trong họ Nhái bầu. Chúng là loài đặc hữu của Nam Phi.
Các môi trường sống tự nhiên của chúng là vùng đồng cỏ ôn đới và các đồn điền. Loài này đang bị đe dọa do mất môi trường sống.
Bài viết Họ Nhái bầu này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. Breviceps bagginsi là một loài ếch trong họ Nhái bầu. Chúng là loài đặc hữu của Nam Phi.
Các môi trường sống tự nhiên của chúng là vùng đồng cỏ ôn đới và các đồn điền. Loài này đang bị đe dọa do mất môi trường sống.
Breviceps bagginsi Minter, 2003
Охранный статус
Breviceps bagginsi — вид бесхвостых земноводных из семейства Brevicipitidae, эндемик Южной Африки[1]. Назван в честь Бильбо Бэггинса, так как учёный, открывший его, любил читать «Хоббита» своим детям[2].
Для вида характерен половой диморфизм. Длина тела самцов 20—25,9 мм, самок — около 28,7 мм[3].
Брачный зов состоит из двух частей и раздаётся на частоте 2552 Гц. Спаривание происходит в подземных гнёздах.
Встречаются на высотах от 25 до 1400 м над уровнем моря[4][5].
Это заготовка статьи по зоологии. Вы можете помочь проекту, дополнив её. 
Breviceps bagginsi — вид бесхвостых земноводных из семейства Brevicipitidae, эндемик Южной Африки. Назван в честь Бильбо Бэггинса, так как учёный, открывший его, любил читать «Хоббита» своим детям.
