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Melanin is a fundamental pigment in animal coloration as it is involved in many different adaptive functions such as signaling or thermoregulation. Two forms of melanin are known to produce different colors (eumelanin: black; pheomelanin: yellow or brown). Here, we explored whether there were intersexual differences and/or size-related changes in melanization of the amphisbaenian Trogonophis wiegmanni, a fossorial species with a characteristic black and yellow color pattern of scales.  Leer más.

https://brill.com/coverimage?doc=%2Fjournals%2Famre%2F43%2F4%2Famre.43.issue-4.xml&width=200&type=webp

Several specimens of Pachydactylus angolensis, a poorly known Angolan endemic gecko, have recently been collected in southern Angola, considerably increasing its known distribution range. Previous observations led to the hypothesis that two different morphological forms exist in the country—a coastal form and an inland form.  Leer más.

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgYPHygUazZlwpJ1zYxIncNLsPn1Q_W_w4q4djs2du1Pud1qWupxym_cfbrlI-CTPDRLAmyly-6dJ7RfiIBSkZ275Sb_WioMsFR_7zfi_UDSBZh0JKjfYAwaP3r9WhZg3GVgoFP6VL0UCBHIjwTA9BF6qIsC8oGYCWRIy5XCy61uhpoBTJSo7IQMPyWg/w400-h193/Pachydactylus_maiatoi-novataxa_2023-Marques_Parrinha_Ceriaco_Brennan__.jpg

Histological examinations showed intense involvement of the superficial layers of the epidermis and qPCR analyses yielded infection loads greater than 100 000 genomic equivalents of zoospores. These results suggest that this introduced species could behave as a Bd ‘supershedder’, and recommend to control its expansion due to its important role in the dynamic of chytridiomycosis. Leer más.

https://brill.com/coverimage?doc=%2Fjournals%2Famre%2Faop%2Fissue.xml&width=200&type=webp

El proper diumenge 16 d’abril, les televisions de la Xarxa de Comunicació Local estrenen una nova sèrie sobre els parcs, Parcs de llegenda, que es podrà veure en directe els diumenges a les 22.30 h i a la carta a través de la plataforma La Xarxa+. I a partir del dijous 13, i cada dijous abans de l’emissió d’un nou capítol, a les xarxes socials de la Xarxa i a la plataforma La Xarxa+ es podrà escoltar el pòdcast de la llegenda que porta al presentador a visitar el parc. L’aigua i el trito del Montseny, al primer capítol de ‘Parcs de llegenda’. Autor: Iñaki Relanzón. Llegir més.

https://parcs.diba.cat/documents/10344/90157123/Montseny_aigua_IRelanzon.jpg/706edb3a-5e0a-9d19-5eb9-79de2f69e7ce?t=1680704402649

We described a new species of Dendrophryniscus from the Mantiqueira Mountains, a mountain range in the Atlantic Forest in the state of Minas Gerais, Brazil. Dendrophryniscus cuca sp. nov. is known only from its type locality, the private Protected Area Chapadão da Serra Negra, municipality of Santa Bárbara do Monte Verde.  Leer más.

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibb0RboZ9KlxBSkr7P3cVwNPRQFVOdf9LnbPfYeILdsOeAqtUEvzoPgc_zJ9ZBL74fS5yjXxKigCxSkc3BV-_0a_Ur4IpnT9V07us_B1UmB087irVZ6YR7byvc7PYkS8MkVHjhwnt8KBRVBnCiEZkwq6BVRAI4dV3603jgvO1r2IA8TfED4twRIilYHw/w400-h272/Dendrophryniscus_cuca-novataxa_2023-Neves_Lima_Koroiva_Nali_Santana__@MatheusNeves336.jpg