Development of activity rates in fledgling songbirds: When do young birds begin to behave like adults?

Research output: Contribution to journalArticle

Abstract

Logistical and technological limitations have constrained the characterization of behavioural development in songbirds, particularly during the post-fledging period. Recently, advances in radio-telemetry technology- A utomated radio-telemetry systems (ARTS) capable of recording continuous, high-resolution spatial-temporal data on radio-tagged birds-have opened the door to more comprehensive examinations of fledgling behaviour. We examined development of activity rates (number of times a bird was determined to have moved per number of detections, per hour) in fledgling Dickcissels using ARTS established at two grassland sites in east-central Illinois, USA. Specifically, we described general patterns of fledgling activity rates and determined the age at which fledglings began exhibiting activity rates like adults. We found that juveniles decreased activity rates immediately following fledging, likely to avoid detection by snakes and other predators, but increased activity levels throughout the rest of the post-fledging period. Peak hours of fledgling activity occurred around 0700 and 1800 h for all ages, with consistently low activity rates at night. On average, fledglings began exhibiting adult-like activity rates approximately 22 days after fledging, around roughly the same time they stopped being fed by adults. While our study provides important insights into development of fledgling behaviour in the Dickcissel, it remains unclear how patterns of behavioural development vary within and among species.

Original languageEnglish (US)
Pages (from-to)337-350
Number of pages14
JournalBehaviour
Volume155
Issue number5
DOIs
StatePublished - Jan 1 2018

Fingerprint

Songbirds
songbirds
Radio
Telemetry
Birds
birds
radio telemetry
Snakes
Technology
fledglings
radio frequency identification
snakes
grasslands

Keywords

  • activity rates
  • behaviour
  • fledging
  • fledgling
  • juvenile
  • post-fledging
  • songbird

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Behavioral Neuroscience

Cite this

Development of activity rates in fledgling songbirds : When do young birds begin to behave like adults? / Jones, Todd M.; Brawn, Jeffrey D.; Ward, Michael P.

In: Behaviour, Vol. 155, No. 5, 01.01.2018, p. 337-350.

Research output: Contribution to journalArticle

@article{7a32ecf4f018468faf6c748ac01843ec,
title = "Development of activity rates in fledgling songbirds: When do young birds begin to behave like adults?",
abstract = "Logistical and technological limitations have constrained the characterization of behavioural development in songbirds, particularly during the post-fledging period. Recently, advances in radio-telemetry technology- A utomated radio-telemetry systems (ARTS) capable of recording continuous, high-resolution spatial-temporal data on radio-tagged birds-have opened the door to more comprehensive examinations of fledgling behaviour. We examined development of activity rates (number of times a bird was determined to have moved per number of detections, per hour) in fledgling Dickcissels using ARTS established at two grassland sites in east-central Illinois, USA. Specifically, we described general patterns of fledgling activity rates and determined the age at which fledglings began exhibiting activity rates like adults. We found that juveniles decreased activity rates immediately following fledging, likely to avoid detection by snakes and other predators, but increased activity levels throughout the rest of the post-fledging period. Peak hours of fledgling activity occurred around 0700 and 1800 h for all ages, with consistently low activity rates at night. On average, fledglings began exhibiting adult-like activity rates approximately 22 days after fledging, around roughly the same time they stopped being fed by adults. While our study provides important insights into development of fledgling behaviour in the Dickcissel, it remains unclear how patterns of behavioural development vary within and among species.",
keywords = "activity rates, behaviour, fledging, fledgling, juvenile, post-fledging, songbird",
author = "Jones, {Todd M.} and Brawn, {Jeffrey D.} and Ward, {Michael P.}",
year = "2018",
month = "1",
day = "1",
doi = "10.1163/1568539X-00003492",
language = "English (US)",
volume = "155",
pages = "337--350",
journal = "Behaviour",
issn = "0005-7959",
publisher = "Brill",
number = "5",

}

TY - JOUR

T1 - Development of activity rates in fledgling songbirds

T2 - When do young birds begin to behave like adults?

AU - Jones, Todd M.

AU - Brawn, Jeffrey D.

AU - Ward, Michael P.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Logistical and technological limitations have constrained the characterization of behavioural development in songbirds, particularly during the post-fledging period. Recently, advances in radio-telemetry technology- A utomated radio-telemetry systems (ARTS) capable of recording continuous, high-resolution spatial-temporal data on radio-tagged birds-have opened the door to more comprehensive examinations of fledgling behaviour. We examined development of activity rates (number of times a bird was determined to have moved per number of detections, per hour) in fledgling Dickcissels using ARTS established at two grassland sites in east-central Illinois, USA. Specifically, we described general patterns of fledgling activity rates and determined the age at which fledglings began exhibiting activity rates like adults. We found that juveniles decreased activity rates immediately following fledging, likely to avoid detection by snakes and other predators, but increased activity levels throughout the rest of the post-fledging period. Peak hours of fledgling activity occurred around 0700 and 1800 h for all ages, with consistently low activity rates at night. On average, fledglings began exhibiting adult-like activity rates approximately 22 days after fledging, around roughly the same time they stopped being fed by adults. While our study provides important insights into development of fledgling behaviour in the Dickcissel, it remains unclear how patterns of behavioural development vary within and among species.

AB - Logistical and technological limitations have constrained the characterization of behavioural development in songbirds, particularly during the post-fledging period. Recently, advances in radio-telemetry technology- A utomated radio-telemetry systems (ARTS) capable of recording continuous, high-resolution spatial-temporal data on radio-tagged birds-have opened the door to more comprehensive examinations of fledgling behaviour. We examined development of activity rates (number of times a bird was determined to have moved per number of detections, per hour) in fledgling Dickcissels using ARTS established at two grassland sites in east-central Illinois, USA. Specifically, we described general patterns of fledgling activity rates and determined the age at which fledglings began exhibiting activity rates like adults. We found that juveniles decreased activity rates immediately following fledging, likely to avoid detection by snakes and other predators, but increased activity levels throughout the rest of the post-fledging period. Peak hours of fledgling activity occurred around 0700 and 1800 h for all ages, with consistently low activity rates at night. On average, fledglings began exhibiting adult-like activity rates approximately 22 days after fledging, around roughly the same time they stopped being fed by adults. While our study provides important insights into development of fledgling behaviour in the Dickcissel, it remains unclear how patterns of behavioural development vary within and among species.

KW - activity rates

KW - behaviour

KW - fledging

KW - fledgling

KW - juvenile

KW - post-fledging

KW - songbird

UR - http://www.scopus.com/inward/record.url?scp=85048224485&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85048224485&partnerID=8YFLogxK

U2 - 10.1163/1568539X-00003492

DO - 10.1163/1568539X-00003492

M3 - Article

AN - SCOPUS:85048224485

VL - 155

SP - 337

EP - 350

JO - Behaviour

JF - Behaviour

SN - 0005-7959

IS - 5

ER -