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276 results for “Myotis myotis”
FIGURE 3 in Systematic review of Myotis (Chiroptera, Vespertilionidae) from Chile based on molecular, morphological, and bioacoustic data
FIGURE 3. Dorsal (upper) and ventral (below) pelage of Myotis arescens (A, B; USNM 319784), Myotis atacamensis (C, D; MVZ 116638), and Myotis chiloensis (E, F; FMNH 24029 [neotype]).
Fig. 1. A in Postnatal Growth and Vocalization Development in the Long-fingered Bat, Myotis capaccinii (Chiroptera, Vespertilionidae)
Fig. 1. A comparison between echolocation calls of an adult and newborn long-fingered bat, Myotis capaccinii. (a) Sonogram, showing calls composed of a frequency modulation (FM) component with a variable range of frequencies. (b) Power spectrogram, showing the dominant frequency of the call.
Fig. 4 in Postnatal Growth and Vocalization Development in the Long-fingered Bat, Myotis capaccinii (Chiroptera, Vespertilionidae)
Fig. 4. Positive associations between changes in the peak frequency and handwing area, armwing area and aspect ratio. Negative associations are illustrated between changes in the peak frequency and wing loading.
Fig. 3 in Postnatal Growth and Vocalization Development in the Long-fingered Bat, Myotis capaccinii (Chiroptera, Vespertilionidae)
Fig. 3. Positive associations between changes of the peak frequency of calls emitted by Myotis capaccinii infants with (a) forearm length, (b) body mass, (c) wing area and (d) wingspan from day 1-28.
Fig. 2 in Postnatal Growth and Vocalization Development in the Long-fingered Bat, Myotis capaccinii (Chiroptera, Vespertilionidae)
Fig. 2. Changes in the calls emitted by Myotis capaccinii infants during postnatal growth from day 1-16.
Fig. 5 in Postnatal Growth and Vocalization Development in the Long-fingered Bat, Myotis capaccinii (Chiroptera, Vespertilionidae)
Fig. 5. Recording calls by a mother-infant pair when the infant bat is separating from its mother and modes before and after separation from its mother. One to two harmonic calls with high-frequency in the before and after separation step belong to the mother and multiharmonic calls with low-frequency belong to the pup.
Figure 2 in Diurnal activity of a trawling insectivorous bat species, Myotis horsfieldii, in Gunung Mulu National Park, Malaysian Borneo
Figure 2. Feeding buzz of Myotis horsfieldii, observed at Site 13 in the Gunung Mulu National Park, recorded between 11.00 and 11.30am on 17 July 2020.
Figure 3 in Diurnal activity of a trawling insectivorous bat species, Myotis horsfieldii, in Gunung Mulu National Park, Malaysian Borneo
Figure 3. The microhabitats where the diurnal bats were observed in Gunung Mulu National Park: (A) – river with high canopy cover in the forest interior (Site 1), (B) – pool with high canopy shade (Site 6), (C) – river with low canopy cover at the forest edge (Site 9), (D) – river with low canopy shade in fragmented forest (Site 12).
Figure 1 in Diurnal activity of a trawling insectivorous bat species, Myotis horsfieldii, in Gunung Mulu National Park, Malaysian Borneo
Figure 1. Records of daylight activity of Horsfield's bat (Myotis horsfieldii) in Gunung Mulu National Park, in Malaysian Borneo. The circles denote visual records, the triangles denote acoustic records, and the squares denote records by both visual and acoustic inspection.
Figure 2 in Dental abnormalities in Myotis riparius (Chiroptera, Vespertilionidae), with comments on its evolutionary implications
Figure 2: Polyodontia due to the presence of an extra upper incisor in Myotis riparius (DZUP-CCMZ 498) from Paraná, Brazil: (A) occlusal view; (B) lateral view.
Figure 1 in Dental abnormalities in Myotis riparius (Chiroptera, Vespertilionidae), with comments on its evolutionary implications
Figure 1: Hypodontia due to the absence of the second upper premolar (P3) in Myotis riparius (USNM 338097) from Darién, Panama.
Data from: What you need is what you eat? Prey selection by the bat Myotis daubentonii
Optimal foraging theory predicts that predators are selective when faced with abundant prey, but become less picky when prey gets sparse. Insectivorous bats in temperate regions are faced with the challenge of building up fat reserves vital for hibernation during a period of decreasing arthropod abundances. According to optimal foraging theory, prehibernating bats should adopt a less selective feeding behaviour – yet empirical studies have revealed many apparently generalized species to be composed of specialist individuals. Targeting the diet of the bat Myotis daubentonii, we used a combination of molecular techniques to test for seasonal changes in prey selectivity and individual-level variation in prey preferences. DNA metabarcoding was used to characterize both the prey contents of bat droppings and the insect community available as prey. To test for dietary differences among M. daubentonii individuals, we used ten microsatellite loci to assign droppings to individual bats. The comparison between consumed and available prey revealed a preference for certain prey items regardless of availability. Nonbiting midges (Chironomidae) remained the most highly consumed prey at all times, despite a significant increase in the availability of black flies (Simuliidae) towards the end of the season. The bats sampled showed no evidence of individual specialization in dietary preferences. Overall, our approach offers little support for optimal foraging theory. Thus, it shows how novel combinations of genetic markers can be used to test general theory, targeting patterns at both the level of prey communities and individual predators.
FIGURE 22. Rodhainyssus myotis Fain, 1967 in Phylogeny and systematics of the endoparasitic astigmatid mites (Acari: Sarcoptiformes) of mammals: families Gastronyssidae, Lemurnyssidae, and Pneumocoptidae
FIGURE 22. Rodhainyssus myotis Fain, 1967, larva, A, ventral view. Protonymph (B, C), B, ventral view; C, tibia and tarsus III in ventral view. Tritonymph, D, ventral view. Scale bars: 100 µm (A, B, D), 50 µm (C).
FIGURE 21. Rodhainyssus myotis Fain, 1967 in Phylogeny and systematics of the endoparasitic astigmatid mites (Acari: Sarcoptiformes) of mammals: families Gastronyssidae, Lemurnyssidae, and Pneumocoptidae
FIGURE 21. Rodhainyssus myotis Fain, 1967, female (A–D). A, ventral view; B, postero-ventral projections of gnathosoma; C, tarsus I in dorsal view; D, same in ventral view; E, trochanter III in ventral view. Male (F, G). F, ventral view; G, aedeagus. Scale bars: 100 µm (A, F), 50 µm (B–E, G).
FIGURE 6 in Morphometric and morphological variation in Myotis simus Thomas (Chiroptera, Vespertilionidae), with an appraisal of the identity of Myotis guaycuru Proença based on the analysis of the type material
FIGURE 6. Dorsal view of the skulls of two specimens of M. simus: A―from Santa Cruz, Bolivia (USNM 584502), B―from Pasco, Peru (USNM 364482). Scale bar = 5 mm.
FIGURE 2 in Morphometric and morphological variation in Myotis simus Thomas (Chiroptera, Vespertilionidae), with an appraisal of the identity of Myotis guaycuru Proença based on the analysis of the type material
FIGURE 2. Body (in fluid) of the holotype of M. guaycuru (ALP 9277). Scale bar = 10 mm. Bellow on the left, the arrow shows the plagiopatagium attachment.
FIGURE 1 in Morphometric and morphological variation in Myotis simus Thomas (Chiroptera, Vespertilionidae), with an appraisal of the identity of Myotis guaycuru Proença based on the analysis of the type material
FIGURE 1. Geographic mapping of samples analyzed in the present study: (1) Cercado, Beni, Bolivia; (2) Borba, Amazonas, Brazil; (3) Manaus, Amazonas, Brazil; (4) Parintins, Amazonas, Brazil; (5) El Refugio, Santa Cruz, Bolivia; (6) Salobra, Mato Grosso do Sul, Brazil (type specimen of M. guaycuru) (7) Rio Juruá, Amazonas, Brazil; (8) Ucayali, Loreto, Peru; and (9) San Juan, Pasco, Peru.
FIGURE 4 in Morphometric and morphological variation in Myotis simus Thomas (Chiroptera, Vespertilionidae), with an appraisal of the identity of Myotis guaycuru Proença based on the analysis of the type material
FIGURE 4. Left (a): Multivariate individual scores of data in the two first principal components for samples of M. simus labeled by locality — (1) Cercado, Beni, Bolivia; (2) Borba, Amazonas, Brazil; (3) Manaus, Amazonas, Brazil; (4) Parintins, Amazonas, Brazil; (5) El Refugio, Santa Cruz, Bolivia; (6) Salobra, Mato Grosso do Sul, Brazil (type specimen of M. guaycuru) (7) Rio Juruá, Amazonas, Brazil; (8) Ucayali, Loreto, Peru; and (9) San Juan, Pasco, Peru. Right (b): Corresponding vector correlations (greater than 0.29) of craniometric characters with the first two eigenvectors.
FIGURE 7 in Morphometric and morphological variation in Myotis simus Thomas (Chiroptera, Vespertilionidae), with an appraisal of the identity of Myotis guaycuru Proença based on the analysis of the type material
FIGURE 7. Dorsal, lateral and ventral views of the skull and mandible of the holotype of M. simus (BMNH 85.5.12.2). Scale bar = 5 mm. Photographs provided by Roberto Portela Miguez (The Natural History Museum, England).
FIGURE 3 in Morphometric and morphological variation in Myotis simus Thomas (Chiroptera, Vespertilionidae), with an appraisal of the identity of Myotis guaycuru Proença based on the analysis of the type material
FIGURE 3. Dorsal, lateral and ventral views of the skull and mandible of the holotype of M. guaycuru (ALP 9277). Scale bar = 5 mm. The distance between the dentary bones is reduced due to the disarticulation of the mandibular symphysis.
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OpenNeuro
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