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Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico
Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico
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Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico
Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico

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Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico
Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico
Journal Article

Foraging Movement Patterns of Lactating Mexican Long‐Nosed Bats in Central Mexico

2025
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Overview
The Mexican long‐nosed bat (Leptonycteris nivalis) is a nectar‐feeding bat distributed seasonally between Mexico and the United States, and it has been declared an endangered species in both countries. Here, we describe for the first time the movement patterns and locations of foraging areas used by lactating females from the only known maternity roost in central Mexico. GPS loggers were placed on 29 lactating females, adhered to the interscapular area with short‐term surgical glue. We obtained movement tracks of at least one night for 21 different individuals. Movement patterns were identified using the first passage time segmentation method and classified into commutative and foraging flights. Bats made up to three trips on the same night, visiting between one and three foraging areas. On average, the total distance traveled was 61.72 km per night (minimum 23.11 km, maximum 160.55 km), and 37 foraging areas were identified, located between 13 and 40 km north of the roost, mainly in desert shrublands, followed by agricultural areas and temperate forests. In these places, they spent most of their time outside the roost (2.16 h mean ± 1.14 h SD), feeding on the resources available in an average area of 0.38 km2. Bats traveled long distances each night, using areas with abundant wild and human‐cultivated floral resources, reflecting the importance of integrating movement ecology for the design of conservation and habitat management strategies that ensure the availability of necessary resources for this species. RESUMEN El Murciélago Magueyero Mayor (Leptonycteris nivalis), es un murciélago nectarívoro que se distribuye estacionalmente entre México y Estados Unidos, la especie está declarada en peligro en ambos países. En este trabajo, describimos por primera vez los patrones de movimiento y las ubicaciones de las áreas de forrajeo de hembras lactantes en el único refugio de maternidad conocido en el centro de México. Se colocaron dispositivos GPS en 29 hembras lactantes, adheridos al área interescapular con pegamento quirúrgico de corta de duración. Se obtuvieron rutas de movimiento de al menos una noche para 21 individuos diferentes. Los patrones de movimiento se idenfiticaron utilizando el método de segmentación pasaje de primer tiempo y se clasificaron como vuelos conmutativos y de forrajeo. Los murciélagos realizaron hasta tres viajes en la misma noche y visitaron entre una a tres áreas de forrajeo. En promedio, la distancia total recorrida fue de 61.72 km por noche (mínimo 23.11 km, máximo 160.55 km). Se identificaron 37 áreas de forrajeo localizadas entre 13 y 40 km hacia el norte del refugio, principalmente en matorrales xerófilos, seguido de áreas agrícolas y bosques templados. En estos lugares, los murciélagos pasaron la mayor parte de su tiempo fuera del refugio (2.16 h mean ± 1.14 h SD), aliméntadose de los recursos disponibles en un área promedio de 0.38 km2. Los murciélagos recorren grandes distancias cada noche, utilizando áreas con abundantes recursos florales silvestres y cultivados, reflejando la importancia de integrar la ecología del movimiento en el diseño de estrategias de conservación y manejo de hábitat que aseguren la disponibilidad de los rercusos necesarios para la especie. We tracked 21 lactating females of a migratory and endangered nectar‐feeding bat using GPS devices, and analyzed their foraging movements in one of the most important maternity roosts for the conservation of the species. Bats foraged within 50 km from the roost, made up to three foraging trips on the same night, and visited multiple foraging grounds with an average area of 0.38 km2.

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