Crecimiento postnatal y desarrollo del vuelo en el murciélago Leptonycteris yerbabuenae en Chiapas, México

Martínez–Coronel, Matías; Cervantes, Fernando A.; Hortelano-Moncada, Yolanda

doi:10.12933/therya-14-173

Cited by 4 publications

(6 citation statements)

References 32 publications

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“…However, for a species with a wide geographic distribution such as N. mexicanus, with populations that do not migrate latitudinally, differences are likely to exist because of local adaptations to different conditions (Kunz and Hood 2000;Barclay and Harder 2003). Geographic differences in birth season, growth, and postnatal development have also been reported for Leptonycteris yerbabuenae and Miniopterus schreibersii (Gould 1975;Richardson 1977;Martínez-Coronel et al 2014), species with wide distributions.…”

Section: Discussionmentioning

confidence: 73%

“…In most species, sustained flight begins when pups attain a relative mass above 70 % and a forearm length of more than 90 % in relation to adults (Barclay 1994;Stern and Kunz 1998). There are exceptions, as the case of L. yerbabuenae, which attains sustained flight when body mass is 50 % and forearm length is 84 % relative to adults (Martínez-Coronel et al 2014), while R. leschenautti attains it with 35 % body mass and 75 % forearm length (Elangovan et al 2002). In the present study, we found that N. mexicanus displayed sustained flight at 35 days of age, when body mass was 86.38 % and forearm length was 95.35 % relative to adults.…”

Section: Discussionmentioning

confidence: 99%

“…Examples of neonates that are born with the body covered with hair and open eyes and auditory meatus include Rosettus leschenaulti and R. amplexicaudatus (Elangovan et al 2002;Giannini et al 2006) yerbabuenae, Myotis emarginatus, Rhinolophus mehelyi, and Tadarida brasiliensis (McCracken and Gustin 1991;Sharifi 2004;Martínez-Coronel et al 2014;Doss et al 2018;Eghbali and Sharifi 2018), give birth to completely naked pups that remain with the mother during the day, presumably because of their poor thermoregulation (Studier and O'Farrel 1972). Pups are left in nurseries during the night and are recovered by mothers upon returning from foraging to be breastfed (Martínez-Coronel et al 2014). These data contrast with studies on a population of N. mexicanus in Sonora and on Pipistrellus pipistrellus (Mitchell 1965;Hughes et al 1995).…”

Section: Discussionmentioning

confidence: 99%

“…The rings measured 4 mm in diameter by 4 mm width, with a mean weight of 0.04 g. The ring was attached around the right forearm in females and on the left forearm in males. Newborn specimens were determined based on the presence of fresh placenta (Kunz 1973), in addition to having a naked body, pink skin, folded ears, auditory meatus, closed eyes, and for being unable to move away from the perch site (Martínez-Coronel et al 2014).…”

Section: Methodsmentioning

confidence: 99%

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Postnatal growth and development of Natalus mexicanus (Chiroptera: Natalidae)

Martínez–Coronel

Molina-Gutiérrez

Hortelano-Moncada

2021

Therya

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Natalus mexicanus is a bat species distributed from northern México to Central America. It inhabits various types of tropical vegetation, roosting mainly in caves with high relative humidity and temperature, and feeding mostly on arachnids. This study investigated postnatal growth and flight development of populations under natural conditions inhabiting “Los Laguitos” cave, Chiapas, southern México. Forty-four females and 50 males were monitored from birth to 55 days of age; at five-day intervals, we measured body mass, forearm length, cartilaginous epiphyseal gap of the fourth metacarpal-phalangeal joint, and development of four characters. We used statistical analyses and growth models to quantify the changes in morphometric parameters. Neonates are altricial; the ears began to unfold since day one, while the eyes opened at day 25. Greyish hair appeared between 25 to 35 days. Forearm length and body mass increased linearly over 35 days, then the growth rate decreased. The cartilaginous epiphyseal gap increased in size until day 25 and then started to close. The logistic equation yielded the best fit for forearm length (K = 0.07) and body mass (K = 0.10). Sustained flight was first achieved at 35 days of age. N. mexicanus neonates are altricial and relatively small compared with other bats. Eye-opening and fur development took place at a slower rate than in most species of insectivorous bats. In the Chiapas population, eye-opening, fur development, and volancy occurred more slowly relative to the population inhabiting Álamos, Sonora. These differences are probably consequences of local variations. The morphometric postnatal growth pattern of N. mexicanus was like that of other insectivorous bats, i. e., linear growth rate before the onset of flight and slowing down thereafter. As in other studies, the logistic model best fitted the growth pattern of body mass and forearm length, but growth coefficients were lower versus other tropical bats. The cartilaginous epiphyseal gap of the fourth digit closes at an intermediate age relative to other insectivorous bats. Sustained flight was attained when the relative body mass and forearm length of individuals approached adult body dimensions, as in other bat species.

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Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Postnatal growth and development of Natalus mexicanus (Chiroptera: Natalidae)

Martínez–Coronel

Molina-Gutiérrez

Hortelano-Moncada

2021

Therya

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“…The number of studies of postnatal development in bats was 37 (12%, total n = 312). Most of the research was focused on the description of parameters that allow monitoring and evaluation of development from birth to weaning, such as body mass at birth, length of the forearm and its relationship to the adult state, length of the total space in the fourth metacarpal-phalangeal joint, age at which sustained flight is reached, and age at weaning (Chaverri & Kunz 2006, Longru et al 2010, Martínez-Coronel et al 2014. The age at which bats reach sexual maturity has been studied in some species.…”

Section: Studies Of Postnatal Developmentmentioning

confidence: 99%

A review of the breeding biology of Chiroptera

et al. 2021

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1. Since 2000, no reviews or analyses have been carried out on scientific studies regarding bat reproductive biology. Such reviews might contribute towards identifying information gaps and global research focus and trends. 2. The objective of this work was to review and analyse scientific studies on different aspects of bat reproduction published in the last two decades (2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017)(2018)(2019), in order to provide perspective for future research. 3. Using 19 key words, we searched for literature on the reproduction of bats published as book chapters and articles in scientific research journals globally. We analysed 36 chapters in 14 books and 276 scientific articles, from 41 countries, identifying publishing trends throughout the years, preferred journals, countries in which studies have been carried out, and most-studied species and topics. 4. The number of studies increased over the last decade, resulting from the consolidation of research lines in countries such as Brazil, India, Mexico, and USA. The studies covered 125 species, of which Scotophilus heathi and Cynopterus sphinx were the most recurrent, each appearing in 23 studies (7.4%, n = 312). The most common subject was anatomy (61 studies, 20%, n = 312), and the rarest was assisted reproduction techniques (11 studies, 3.5%, n = 312). 5. In the last decade, there has been a trend to increase the study of male anatomy. The application of new techniques for the study of reproduction contributed to more complex studies that favour the understanding of the reproductive process. There is an evident lack of reproductive studies for most species, and there is an information gap regarding research in prenatal development and assisted reproduction techniques. These two topics are greatly significant for future research, because of their direct usefulness for species conservation.

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Activity patterns of the nectar-feeding bat Leptonycteris yerbabuenae on the Baja California Peninsula, Mexico

Rivera-Villanueva,

Frick,

Cheng

et al. 2024

Journal of Mammalogy

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Temporal activity patterns of animals can indicate how individuals respond to changing conditions. Gregarious roosting bats provide an opportunity to compare activity patterns among individuals living in the same location to investigate how reproductive status or sex may influence activity budgets. We examined how the activity patterns of the nectarivorous bat Leptonycteris yerbabuenae vary depending on reproductive conditions, sex, and environmental conditions. We analyzed 5 years of individual mark-resighting data using daily detections of L. yerbabuenae marked with passive integrated transponder tags (PIT-tags) at 3 subterranean roosts on the Baja California Peninsula, Mexico. We derived 4 metrics using PIT-tag detections at roost entrances to calculate periods inside the roost and time spent outside the roost (time of emergence, returns to the roost, hours inside the roost, and hours of activity). We found differences among pregnant, lactating, and nonreproductive females for roost returns, hours inside the roost, and hours of activity outside the roost. Lactating females spent the longest time outside the roost, suggesting that the energetic demands of lactation require longer foraging bouts. Contrary to our expectations, lactating females had the fewest returns to the roost during the night, suggesting that lactating females did not shorten foraging bouts to return to nurse pups. Activity patterns differed between females and males and among seasons associated with different food availability. Females had fewer returns during the night and spent more time outside the roost than males. The time of emergence for males was earlier than for females except during the nectar season when most females are reproductively active. Differences in activity patterns among reproductive status, sex, and environmental conditions show how individuals modify behaviors to meet their energetic demands. We demonstrate how mark-resighting data from PIT-tag systems at roost entrances can be used to compare activity patterns of gregarious roosting bats.

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Crecimiento postnatal y desarrollo del vuelo en el murciélago Leptonycteris yerbabuenae en Chiapas, México

Cited by 4 publications

References 32 publications

Postnatal growth and development of Natalus mexicanus (Chiroptera: Natalidae)

Postnatal growth and development of Natalus mexicanus (Chiroptera: Natalidae)

A review of the breeding biology of Chiroptera

Activity patterns of the nectar-feeding bat Leptonycteris yerbabuenae on the Baja California Peninsula, Mexico

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