Myotis izecksohni, Moratelli et al., 2011
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https://doi.org/ 10.5281/zenodo.6397752 |
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https://doi.org/10.5281/zenodo.6580699 |
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https://treatment.plazi.org/id/4C3D87E8-FF48-6AF0-FA91-9EB31B6FB8E1 |
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Conny |
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Myotis izecksohni |
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404. View Plate 71: Vespertilionidae
Izecksohn’s Myotis
French: Murin d'lzecksohn / German: Izecksohn-Mausohr / Spanish: Ratonero de Izecksohn
Taxonomy. Myotis izecksohni Moratelli a al, 2011 View in CoL ,
“Fazenda Mana Brandina (22°36' S, 43°27'W), Tingua Biological Reserve, Rio de Janeiro State, Brazil, 760 m above sea level.” GoogleMaps
Subgenus Pizonyx; albescens species group. Myotis izecksohni was described from seven specimens originally identified as M. le vis. Additional specimens from Brazil were previously identified as M. nigricans . Monotypic.
Distribution. From SE & S Brazil to N Argentina. View Figure
Descriptive notes. Head-body ¢. 46—64 mm, tail 35-42 mm, ear 8-7-13- 2 mm, hindfoot 7-9 mm, forearm 33.-1-38- 8 mm; weight 5-9 g. Fur is long (dorsal fur 7-8-8- 5 mm, ventral fur 6- 2-7 mm) and silky; dorsal hairs are bicolored, with dark bases (two-thirds the total length), dark brown to medium brown tips, and slightly contrasting bases and tips; ventral hairs are bicolored, with dark to medium-brown bases (two-third the total length), light-brown tips, and bases and tips contrasting more than in dorsal fur. Ears are of medium length, extending forward halfway from eye to nostril. Membranes are medium brown; plagiopatagium is broadly attached to foot at base of toes. Fringe of hairs along trailing edge of uropatagium is absent, although some hairs can be present. Skull is moderately large (greatest length of skull 13-2-14- 9 mm), with long narrow rostrum, narrow interorbital constriction, and long and flattened braincase; supraoccipital region is rounded; and sagittal crest is generally absent, but some specimens have very low sagittal crest. P? is in tooth row, not crowded to lingual side, smaller than P?, and visible in lateral view. Wing morphology is typical of aerial insectivore that uses cluttered spaces.
Habitat. Atlantic Forest, semideciduous forest, dense ombrophilous forest, dense rainforest, and transition between Atlantic Forest and cerrado biomes with forests of Araucaria angustifolia (Araucariaceae) and savanna patches at elevations of 250-1200 m (apparently more frequent above 600 m).
Food and Feeding. Izecksohn’s Myotis is an aerial insectivore that forages in forested areas and over water.
Breeding. No information.
Activity patterns. Izecksohn’s Myotis emerges before sunset. In Brazilian Atlantic Forest, most individuals are caught in the first three hours after sunset in mist nets at ground level on trails inside forests or over watercourses. It roosts in caves, rocky crevices, and ruins of an abandoned church bordered by late successional secondary forest.
Movements, Home range and Social organization. No information.
Status and Conservation. Classified as Data Deficient on The IUCN Red List. 1zecksohn’s Myotis is known from very few localities and does not seem to be abundant. Most of its distribution is in highly threatened Atlantic Forest of southern and south-eastern Brazil.
Bibliography. Barquez et al. (2017), Dias et al. (2015), Moratelli, Peracchi, Dias & Oliveira (2011), Solari (2017h).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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