Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon
Rhinella proboscidea, a toad of the Rhinella margaritifera species group, is found in non-flooded forests in central Amazon. This species is an explosive breeder that reproduces in streamside ponds and uses small seedling plants to rest during the night. In this study, we present data on the variati...
| Autores principales: | , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
2021
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| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/120184 https://ppct.caicyt.gov.ar/index.php/cuadherpetol/article/view/18085 |
| Aporte de: |
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I19-R120-10915-120184 |
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dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Zoología Abundance Recruitment Sexual dimorphism Snout-vent length Body mass |
| spellingShingle |
Zoología Abundance Recruitment Sexual dimorphism Snout-vent length Body mass Nunes Martins, Rachel Menin, Marcelo Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon |
| topic_facet |
Zoología Abundance Recruitment Sexual dimorphism Snout-vent length Body mass |
| description |
Rhinella proboscidea, a toad of the Rhinella margaritifera species group, is found in non-flooded forests in central Amazon. This species is an explosive breeder that reproduces in streamside ponds and uses small seedling plants to rest during the night. In this study, we present data on the variation in abundance, body size and body mass of adults and juveniles, on the relationship between body mass and size, operational sex ratio (OSR), and we characterize the resting sites and some aspects of R. proboscidea reproductive events throughout two rainy seasons. We captured 366 individuals (59 males, 84 females, 204 juveniles and19 undetermined). Highest abundance of females and juveniles was found in the fifth sampling period; males were more abundant than females in three sampling periods. We did not detect sexual dimorphism in body size and mass between males and females. The OSR varied from 0.12:1 to 1.50:1 (males:females). There was a positive relationship between body size and mass considering all individuals. Reproductive events were observed from the middle to the end of the rainy season on few occasions. We found ontogenetic variation in the height of resting sites in which juveniles were found in lowest height when compared to adults. In conclusion, juvenile recruitment events occurred in the end of the rainy seasons, and the abundance of individuals are probably related to variation in water body availability for reproduction along the studied periods. Moreover, the absence of sexual dimorphism in body size and mass for this species disagrees with what is known for other species in the R. margaritifera group. |
| format |
Articulo Articulo |
| author |
Nunes Martins, Rachel Menin, Marcelo |
| author_facet |
Nunes Martins, Rachel Menin, Marcelo |
| author_sort |
Nunes Martins, Rachel |
| title |
Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon |
| title_short |
Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon |
| title_full |
Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon |
| title_fullStr |
Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon |
| title_full_unstemmed |
Natural history notes of Rhinella proboscidea (Anura, Bufonidae) from a non-flooded forest in central Amazon |
| title_sort |
natural history notes of rhinella proboscidea (anura, bufonidae) from a non-flooded forest in central amazon |
| publishDate |
2021 |
| url |
http://sedici.unlp.edu.ar/handle/10915/120184 https://ppct.caicyt.gov.ar/index.php/cuadherpetol/article/view/18085 |
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AT nunesmartinsrachel naturalhistorynotesofrhinellaproboscideaanurabufonidaefromanonfloodedforestincentralamazon AT meninmarcelo naturalhistorynotesofrhinellaproboscideaanurabufonidaefromanonfloodedforestincentralamazon |
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Repositorios |
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1764820449434271745 |