Postnatal Variation in Ectoparasite (<i>Spinturnix emarginata</i>) Load in Neonates of Geoffroy's Bat (<i>Myotis emarginatus</i>): How Fast Do Young Bats Become Infested with Ectoparasites?

Yousefi, Shetav; Najafi, Narges; Mehdizadeh, Robab; Eghbali, Hojjat; Sharifi, Mozafar

doi:10.3161/15081109acc2018.20.1.014

Cited by 4 publications

(3 citation statements)

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“…However, there are few examples of research on the interaction between bats and differing climates. However, several authors have conducted simultaneous measurement of body mass/forearm length or body condition index (BCI) of neonates as metric to assess fat content, health and fitness of individuals and affected by nutritional status and habitat quality during the postnatal period 68 , 97 – 99 .…”

Section: Discussionmentioning

confidence: 99%

“…The Geoffroy’s bat ( Myotis emarginatus , Geoffroy, 1806) is one of nine species of the mouse-eared bats, genus Myotis occurring in Iran 68 ; categorized as medium-frequent bats in this country. Iranian records of M .…”

Section: Methodsmentioning

confidence: 99%

“…Global conservation status of M . emarginatus classified as least concern (LC) on the IUCN 68 , 71 . In the conservation evaluation system in Iran classified as rare 60 .…”

Section: Methodsmentioning

confidence: 99%

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Impacts of inter-annual climate variability on reproductive phenology and postnatal development of morphological features of three sympatric bat species

Eghbali

Sharifi

2023

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Inter-annual variation in weather conditions has been shown to affect the reproductive phenological patterns of many organisms. Because of their relatively small body size and dependence on ectothermic prey, temperate-zone insectivorous bats are particularly sensitive to adverse spring environmental conditions that affect the duration of gestation and timing of parturition in these animals. This study aimed to compare phenological recruitment, birth seasonality and synchrony and morphological changes during postnatal growth in Rhinolophuseuryale, Rhinolophusferrumequinum and Myotisemarginatus in two consecutive years representing a typical dry (2015) and an extremely wet climatic event (2016) in a nursing colony in Kerend cave, western Iran. Females of these three bat species arrived from their wintering cave to the nursing colony in late April to mid-May each year. Synchrony of parturition as defined by amount clustering of births within a year assessed by circular statistics showed that for R. euryale and R. ferrumequinum the angular variance in dry year were significantly (P < 0.05) lower than in wet year, indicating a low level of synchrony in 2016. Similar comparison showed that births from M. emarginatus were highly synchrony, and there were no significant differences in timing of births among years (P > 0.05). Generalized estimating equation (GEE) for R. euryale indicated that for body mass and forearm length tests of parallelism (interaction term or growth rate) and tests for equal intercepts (y-intercepts or group term) were significant (P < 0.001). In R. ferrumequinum, the initial (y-intercepts) forearm length and body mass were not significantly (P > 0.05) different between the 2 years, but the tests for parallelism showed a significant decrease in growth rates of body mass and forearm length in the wet year (P < 0.05). Similar comparison in M. emarginatus indicated that for body mass, tests of parallelism were significantly different (P = 0.004), while tests for equal intercepts were not (P = 0.23). Our results suggest that climate changes may have unequal effects on different bat species due to differences in foraging habitat, niche partitioning, reproductive requirements and foraging strategies.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%