Changes of nest mass in relation to nesting stages in the Great Tit<i>Parus major</i>

Harnist, Iga; Dubiec, Anna; Mazgajski, Tomasz D.

doi:10.1080/00063657.2020.1864283

Cited by 6 publications

(9 citation statements)

References 39 publications

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“…), e.g., a mix of skin cells and other small organic particles under the nesting material (Britt and Deeming 2011, Harnist et al. 2020). If this material is not all collected, numbers might be severely underestimated.…”

Section: Discussionmentioning

confidence: 99%

“…2000, Dubiec and Mazgajski 2013, Harnist et al. 2020). Construction of nests and development and number of nestlings will affect the influx of resources available to arthropods such as feces, skin cells, dead nestlings, and blood meals.…”

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confidence: 99%

“…This is a standardized approach and allows comparison of nests, habitats, and bird species, but may not reflect the community present when nestlings were in nests. Bird nests are highly dynamic environments for arthropod communities, driven by changes in availability of resources, abiotic conditions in the nest, and dynamics of the arthropod populations themselves (Burtt et al 1991, Ma s an 1997, Heeb et al 2000, Dubiec and Mazgajski 2013, Harnist et al 2020. Construction of nests and development and number of nestlings will affect the influx of resources available to arthropods such as feces, skin cells, dead nestlings, and blood meals.…”

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confidence: 99%

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Changes in arthropod communities between breeding stages in nests of Great Tits

Baardsen

Matthysen

2022

J of Field Ornithology

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The biotic and abiotic environments in bird nests change during the nesting cycle as eggs are laid and incubated and nestlings develop and eventually fledge. Nest-arthropod communities have been studied for many bird species and are commonly sampled after young fledge. However, the population dynamics of arthropods in nests are expected to vary over the nesting cycle as a result of the changing nest environment, in symphony with arthropod life cycles and generation times. Few investigators have examined nest arthropod communities at different stages of the breeding period. We collected nests of Great Tits (Parus major) at the egg stage, nestling stage, and after fledging, and extracted nest arthropods using Berlese funnels and identified them to Primary Taxonomic Groups (PTGs). Total arthropod abundance, as well as abundance of fleas, parasitic mites, and adult predatory beetles, was higher during the nestling stage than after fledging. The abundance of beetle mites decreased from the egg stage to fledging, whereas larval predatory beetles and scavenger flies increased. Thus, our results demonstrate important changes in overall abundance, but also in the trophic structure of nest arthropod communities during the nesting cycle. Our results also suggest that nests collected after fledging may give biased information on the abundance of parasites, or nest-arthropod communities in general, during the nestling stage. RESUMEN.Cambios en las comunidades de artr opodos entre estados reproductivos en nidios de Parus majorLos ambientes bi oticos y abi oticos de los nidos de las aves cambian durante el ciclo de anidaci on a medida que los huevos son puestos e incubados y los pichones se desarrollan y eventualmente salen del nido. Las comunidades de artr opodos en los nidos han sido estudiadas en muchas especies de aves y son com unmente muestreadas despu es de que los pichones abandonan el nido. Sin embargo, se espera que la din amica poblacional de los artr opodos en los nidos var ıe a trav es del ciclo de anidaci on, como resultado de cambios en el ambiente del nido, en sincron ıa con los ciclos de vida de los artr opodos y sus tiempos generacionales. Pocos investigadores han examinado las comunidades de artr opodos en los nidos en diferentes etapas reproductivas. Colectamos nidos de Parus major en la etapa de huevos, en la tapa de pichones y posterior al abandono del nido por los pichones y extrajimos los artr opodos del nido utilizando embudos Berlese y los identificamos hasta los Grupos Taxon omicos Primarios (PTGs). La abundancia total de artr opodos, as ı como la abundancia de pulgas, piojos par asitos y escarabajos depredadores adultos fue mayor durante la etapa de pichones que despu es del abandono del nido. La abundancia de escarabajos piojos disminuy o de la etapa de huevos a la etapa de pichones, mientras que larvas de escarabajos depredadores y moscas carroñeras increment o. Por lo tanto, nuestros resultados demuestran cambios importantes en la abundancia en general, pero tambi en en la estructura tr ofica de l...

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Changes in arthropod communities between breeding stages in nests of Great Tits

Baardsen

Matthysen

2022

J of Field Ornithology

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“…We collected data in a nestbox breeding population of Great Tits during April-June 2017 in the Sekocin Forest in central Poland, ca 10 km south-west of Warsaw (52°05′ N, 20°52′ E) (see Harnist et al (2020) for a description of nestboxes and the study area). From early April we regularly checked nestboxes to record the first egg-laid date, clutch size, and hatching date (day = 0).…”

Section: Methodsmentioning

confidence: 99%

Assessing timing of fledging in a cavity-nesting passerine using temperature data loggers

Dubiec

Mazgajski

2022

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In altricial birds, the length of the nestling period, i.e. time from hatching until fledging (young leaving the nest) varies within and between species. In general, however, variation in the time of fledging and factors mediating such variation remain largely unexplored. To assess the time of nestlings leaving the nest, daily observer visits to the nest are usually done in the predicted fledging period. However, this might initiate premature fledging of young and/or increase the predation risk. The application of iButtons - coin-sized temperature data loggers, which are increasingly used in ornithological studies - may help to overcome these obstacles. We tested whether nest temperatures recorded with iButtons might be used to identify the date and hour of young fledging, i.e. when the last nestling in the brood left the nest, in a small cavity-nesting passerine - the Great Tit (Parus major). We installed iButtons in 38 nests when nestlings were 14-15 days old (hatching day = day 0) and verified the presence of nestlings during daily inspections starting on day 17 post-hatching or later. We found that the day of fledging could be accurately determined based on the difference between the temperature of the nest cup and the outside. The age of nestlings ranged between 17 and 22 days at fledging, with nearly 58% of broods fledging at the age of 20 and 21 days. The majority (81.6%) of broods fledged within 6 h after sunrise. We discuss the advantages and disadvantages of using iButtons to identify fledging time in altricial birds.

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“…Some studies measured the mass of fresh nests during the periods of egg laying or incubation whereas other studies measured the dry mass of deserted nests collected after the breeding season (e.g., [65][66][67][68][69]). Nest-size components of non-deconstructed nests, such as the thickness of the nest material under the cup or the wall surrounding the cup, or the nest cup's depth, diameter, or volume, have occasionally been quantified (e.g., [52][53][54]66,70,71]).…”

Section: Nest-size Componentsmentioning

confidence: 99%

Nest Design and Breeding Success: Replicability of Methodologies and Research Findings in Avian Model Species

Lambrechts,

Deeming

2024

Preprint

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More than 40 hypotheses predict associations between features of nest architecture and at least one measure of reproductive success. However, quantitative studies of reproductive consequences of nest characteristics remain scarce. In addition, most studies were conducted on model species of which nests can be easily monitored with artificial nest-boxes. Here we review the replicability of research protocols and findings in model species with many repeat studies focusing mainly on nest-size components, animal-derived nest material, or fresh greenery in blue tits (Cyanistes caeruleus), great tits (Parus major), tree swallows (Tachycineta bicolor), and starlings (Sturnus spp.). The studies looked for correlations between nest traits and aspects of breeding performance that can be easily quantified in the field, such clutch size, brood size at hatching or fledging, the % of eggs that hatch or fledge, or nestling characteristics assumed to reflect qualities associated with survival probabilities (e.g., morphometry, body condition, blood profiles). We discuss the consequences of poor replicability of research methodologies and provide explanations for why many of these studies reported poor associations between nest design and breeding success at different spatiotemporal scales. We also make suggestions for future research. Keywords: Nest design, Breeding success, Nest-box, Cavity-nesting birds, Replicability

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Changes of nest mass in relation to nesting stages in the Great TitParus major

Cited by 6 publications

References 39 publications

Changes in arthropod communities between breeding stages in nests of Great Tits

Changes in arthropod communities between breeding stages in nests of Great Tits

Assessing timing of fledging in a cavity-nesting passerine using temperature data loggers

Nest Design and Breeding Success: Replicability of Methodologies and Research Findings in Avian Model Species

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