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Related Concept Videos

Migration00:53

Migration

Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
Convergent Evolution01:54

Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
Pollination and Flower Structure02:40

Pollination and Flower Structure

Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
Habitat Fragmentation02:31

Habitat Fragmentation

Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
Genetics of Speciation02:16

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.

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Related Experiment Video

Updated: May 13, 2026

Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture
15:31

Tissue Collection of Bats for -Omics Analyses and Primary Cell Culture

Published on: October 23, 2019

Altitudinal migration in bats: evidence, patterns, and drivers.

Liam P McGuire1, W Alice Boyle

  • 1Advanced Facility for Avian Research, Department of Biology, University of Western Ontario, 1151 Richmond Street North, London, Ontario, N6A 5B7, Canada.

Biological Reviews of the Cambridge Philosophical Society
|March 14, 2013
PubMed
Summary
This summary is machine-generated.

Altitudinal migrations in bats are confirmed globally, with temperate species often showing sex-biased movements. Further research is needed to understand the ecological drivers of these bat migrations.

Keywords:
batschiropteradifferential migrationevolution of migrationpartial migrationseasonal movementssexual segregation

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Area of Science:

  • Ecology
  • Zoology
  • Animal Behavior

Background:

  • Altitudinal migrations are widespread in vertebrates but poorly documented in bats, despite being hypothesized for nearly a century.
  • Existing studies on altitudinal bat migration are scarce and often in grey literature, hindering a comprehensive understanding.

Purpose of the Study:

  • To comprehensively review evidence for altitudinal bat migrations worldwide.
  • To describe migration patterns in temperate and tropical regions.
  • To propose and test hypotheses explaining these migrations.

Main Methods:

  • Compiled data from 50 studies on altitudinal bat migration across 61 species, five families, 21 countries, and four continents.
  • Analyzed temporal and spatial patterns, grouping them biogeographically.
  • Reviewed hypotheses from bat and avian literature relevant to altitudinal migration.

Main Results:

  • Confirmed evidence of altitudinal migration in 61 bat species globally.
  • Temperate bats commonly exhibit sex-biased migrations, with females at lower elevations during reproduction.
  • Limited data exists for tropical bat migration, with few reported instances of sex bias.

Conclusions:

  • Altitudinal bat migration is a documented phenomenon requiring further detailed study.
  • Hypotheses for migration include food availability, hibernation sites, torpor use, mating, and climate.
  • More research on specific migration patterns is crucial for distinguishing between hypotheses and informing conservation efforts.