Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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.
Mate Choice01:20

Mate Choice

Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
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.
Testing a Claim about Mean: Unknown Population SD01:21

Testing a Claim about Mean: Unknown Population SD

A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used; instead...
Parental Care00:55

Parental Care

Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young.
Polytene Chromosomes02:04

Polytene Chromosomes

Polytene chromosomes are giant interphase chromosomes with several DNA strands placed side by side. They were discovered in the year 1881 by Balbiani in salivary glands, intestine, muscles, malpighian tubules, and hypoderm of larvae Chironomus plumosus. Hence, these are also called "Salivary gland chromosomes." These are found in insects of the order Diptera and Collembola; in certain organs of mammals; and synergids, antipodes of flowering plants. Polytene chromosomes are also regularly...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Accelerometer-measured postoperative physical activity confers a significant mortality benefit following joint arthroplasty.

Bone & joint research·2026
Same author

Outcomes After Kidney Transplantation From Deceased Donors With Diabetes.

Transplantation proceedings·2026
Same author

Return to climbing after musculoskeletal injury: a scoping review protocol of rehabilitation content, outcome measures and return to sport criteria in climbers.

BMJ open sport & exercise medicine·2026
Same author

Conservative versus liberal oxygenation targets in critically ill children: the Oxy-PICU RCT.

Health technology assessment (Winchester, England)·2026
Same author

Tacrolimus intrapatient variability and rejection are associated with inferior allograft outcomes after kidney transplantation.

Frontiers in nephrology·2025
Same author

Consensus-based Recommendations on the Management of Immunosuppression After Squamous Cell Carcinoma Diagnosis in Kidney Transplant Recipients: An International Delphi Consensus Statement.

Transplantation direct·2025

Related Experiment Video

Updated: May 30, 2026

Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus
09:55

Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus

Published on: December 25, 2016

Hierarchical polygyny in multiparous lesser flat-headed bats.

Panyu Hua1, Libiao Zhang, Guangjian Zhu

  • 1Institute of Molecular Ecology and Evolution, Institutes of Advanced Inter-disciplinary Research, East China Normal University, Shanghai 200062, China.

Molecular Ecology
|August 10, 2011
PubMed
Summary

Polygyny in lesser flat-headed bats (Tylonycteris pachypus) operates at multiple levels. Males roosting with females sired more offspring, while solitary males sired fewer full-sibs, suggesting diverse mating strategies.

More Related Videos

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

Induction and Evaluation of Inbreeding Crosses Using the Ant, Vollenhovia Emeryi
06:44

Induction and Evaluation of Inbreeding Crosses Using the Ant, Vollenhovia Emeryi

Published on: October 5, 2018

Related Experiment Videos

Last Updated: May 30, 2026

Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus
09:55

Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus

Published on: December 25, 2016

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

Induction and Evaluation of Inbreeding Crosses Using the Ant, Vollenhovia Emeryi
06:44

Induction and Evaluation of Inbreeding Crosses Using the Ant, Vollenhovia Emeryi

Published on: October 5, 2018

Area of Science:

  • Behavioral Ecology
  • Reproductive Biology
  • Mammalogy

Background:

  • Polygyny, a mating system where males mate with multiple females, can operate at various ecological scales.
  • Female lesser flat-headed bats (Tylonycteris pachypus) exhibit multiparity and form maternity roosts in bamboo, offering a unique model to study multi-level polygyny.

Purpose of the Study:

  • To investigate the multi-level mating system of the lesser flat-headed bat, Tylonycteris pachypus.
  • To determine how male roosting associations (with females, males, or solitary) influence reproductive success and paternity.
  • To explore the potential role of female choice and sperm storage in shaping mating patterns.

Main Methods:

  • Genotyping of 662 individuals from 54 roosting sites (internodes).
  • Parentage analysis of 165 litters to identify full-sibs and half-sibs.
  • Mitochondrial DNA (mtDNA) analysis and relatedness analysis.

Main Results:

  • 170 sets of paternal twins/triplets were identified, with 96 full-sibs and 74 half-sibs.
  • Males roosting with females sired more offspring and monopolized paternity within litters and groups.
  • Males roosting separately (solitary or in all-male groups) sired fewer full-sibs but more maternal half-sibs, suggesting alternative mating strategies.
  • Polygyny was also observed within matrilineal kin groups, potentially enhancing social cohesion.

Conclusions:

  • The lesser flat-headed bat exhibits a complex, multi-level polygynous mating system influenced by male roosting behavior and potentially female choice.
  • Sperm storage in females may allow for strategic multiple mating, though no evidence of outbreeding was found.
  • The observed mating patterns within kin groups suggest a system that may balance reproductive opportunities with social cohesion.