Figure 4 - uploaded by Daniel Koleska
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An individual of juvenile Pelophylax kl. esculentus with malformed hind limb.
Source publication
Green frogs (genus Pelophylax) are present in two species and one "klepton" in the Czech Republic-Pelophylax lessonae, P. ridibundus and P. kl. esculentus. Pelophylax kl. esculentus (Linnaeus, 1758) is considered as a fertile hybrid of the other two species. Although this frog is quite common, there is a general awareness about declining amphibian...
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Habitat fragmentation and road mortalities are major contributors towards declines in amphibian populations. This has seen the introduction of culverts, passages that run under roads and provide safe passage for amphibians. Research investigating the effects of rainfall upon amphibian culvert use is limited. This study, conducted at Frankfield Loch...
Presence of Bombina variegata (Linnaeus, 1758) (Amphibia: Discoglossidae) in the Parco Naturale Regionale Alto Garda Bresciano. We report the presence of Bombina variegata (L.) in the territory of Parco Naturale Re-gionale Alto Garda Bresciano. This is the more eastern locality in Lombardy where this rare species of Amphibian may be found.
Citations
Developmental anomalies and malformations in amphibians serve as a marker of extreme or unstable environmental conditions and can affect the reproduction and viability of amphibians. In the Czech Republic, anomalies were reported for amphibians from the Elbe and the Danube rivers basins, but not from the Oder River. Here, we report anomalies in three anuran species, i.e., in Bufo bufo (n = 250), Bufotes viridis (n = 13) and Bombina bombina (n = 24), from the Oder River Basin (Czech Republic). We found eight types of anomalies in 16 out of the 287 individuals analyzed (six types of limb malformations and two anomalies of coloration). The most frequent malformation recorded in all the three species was brachydactyly. Flavism was found in Bufo bufo and Bufotes viridis, while all the remaining malformations were recorded only in Bufo bufo. The monitoring of the number and types of malformations in different populations is crucial in the light of emerging disease threats to European amphibians.
