Evidence map›Paper›PMID 33419776›Full record

ArticleBiology open2021

Variation in alarm calls during different breeding stages of the common kestrel (

Xiaona Huo, Lei Zhou, Jiang Feng, Hui Wu

Open access · goldAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Biology open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.2field-weighted citation impact, top 52% 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

1 citing paper in PubMed, 3 citations in OpenAlex.

  1. Individual variation in animal communication: from species averages to unique voices.Biological reviews of the Cambridge Philosophical Society · 2025
    Review
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

4 authors at 1 institution in 1 country.

Xiaona HuoCollege of Life Science, Jilin Agricultural University, Changchun 130118, China.
Lei ZhouCollege of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China.
Jiang FengCollege of Life Science, Jilin Agricultural University, Changchun 130118, China fengj@nenu.edu.cn wuh123@nenu.edu.cn.
Hui WuCollege of Life Science, Jilin Agricultural University, Changchun 130118, China fengj@nenu.edu.cn wuh123@nenu.edu.cn.ORCID 0000-0002-5348-119X
Jilin Agricultural University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Acoustic signals play a key role in animal communication. Animals usually use alarm signals to warn mates or offspring of the presence of threats or to intimidate or distract predators. Birds commonly use acoustic signals as a means of communication. Alarm calls in passerines at different breeding stages can reflect their nest defense intensity. However, little is known about the characteristics, plasticity, and impact factors of alarm calls during the reproductive period in raptors. Here, from March to July in 2019, the alarm calls of eight pairs of common kestrels (

Indexed as

Vocalization, AnimalAnimalsBreedingFalconiformesReproductionSeasonsAcoustic signalsAlarm callsBreeding stagesCommon kestrel

Identifiers

PMID33419776
PMCPMC7823166
OpenAlexW3120465933

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.