Evidence map›Paper›PMID 26601270›Full record

ArticleScience advances2015

Nectar uptake in bats using a pumping-tongue mechanism.

Marco Tschapka, Tania P Gonzalez-Terrazas, Mirjam Knörnschild

Open access · goldAbstract read
In one paragraph

Article in Science advances, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
3.8field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 41 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Honey bees switch mechanisms to drink deep nectar efficiently.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  7. Endangered Nectar-Feeding Bat Detected by Environmental DNA on Flowers.Animals : an open access journal from MDPI · 2022
    Article
  8. Article
  9. Article
  10. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 2 countries.

Marco TschapkaInstitute of Evolutionary Ecology and Conservation Genomics, University of Ulm, Ulm D-89069, Germany. ; Smithsonian Tropical Research Institute, Balboa, Panama.
Tania P Gonzalez-TerrazasInstitute of Evolutionary Ecology and Conservation Genomics, University of Ulm, Ulm D-89069, Germany.
Mirjam KnörnschildInstitute of Evolutionary Ecology and Conservation Genomics, University of Ulm, Ulm D-89069, Germany. ; Smithsonian Tropical Research Institute, Balboa, Panama.
Smithsonian Tropical Research Institute · PAUniversität Ulm · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many insects use nectar as their principal diet and have mouthparts specialized in nectarivory, whereas most nectar-feeding vertebrates are opportunistic users of floral resources and only a few species show distinct morphological specializations. Specialized nectar-feeding bats extract nectar from flowers using elongated tongues that correspond to two vastly different morphologies: Most species have tongues with hair-like papillae, whereas one group has almost hairless tongues that show distinct lateral grooves. Recent molecular data indicate a convergent evolution of groove- and hair-tongued bat clades into the nectar-feeding niche. Using high-speed video recordings on experimental feeders, we show distinctly divergent nectar-feeding behavior in clades. Grooved tongues are held in contact with nectar for the entire duration of visit as nectar is pumped into the mouths of hovering bats, whereas hairy tongues are used in conventional sinusoidal lapping movements. Bats with grooved tongues use a specific fluid uptake mechanism not known from any other mammal. Nectar rises in semiopen lateral grooves, probably driven by a combination of tongue deformation and capillary action. Extraction efficiency declined for both tongue types with a similar slope toward deeper nectar levels. Our results highlight a novel drinking mechanism in mammals and raise further questions on fluid mechanics and ecological niche partitioning.

Indexed as

adaptationsanimal-plant interactionChiropteraGlossophaginaeLonchophyllinaenectar feedingpollination

Identifiers

PMID26601270
PMCPMC4643790
OpenAlexW2281086936

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.