The Effect of Trends in Ambient Temperature on Egg Volume in the Tree Sparrow<i>Passer montanus</i>

Barkowska, Miłosława; Pinowski, Jan; Pinowska, Barbara

doi:10.3161/068.038.0105

Cited by 8 publications

(3 citation statements)

References 53 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…2003). In birds, temperature can affect many life‐history traits, such as egg volume (Barkowska, Pinowski & Pinowska 2003), clutch size (Cooper et al . 2005a), nestling development (Chaplin, Cervenka & Mickelson 2002), nestling growth (McCarty 2001b; Dawson, Lawrie & O’Brien 2005), metabolic rate (Broggi et al .…”

Section: Introductionmentioning

confidence: 99%

Temperature and life history: experimental heating leads female tree swallows to modulate egg temperature and incubation behaviour

Ardia

Pérez

Chad

et al. 2008

Journal of Animal Ecology

115

111

View full text Add to dashboard Cite

Summary 1.Life-history decisions are strongly affected by environmental conditions. In birds, incubation is energetically expensive and affected significantly by ambient temperature. We reduced energetic constraints for female tree swallows ( Tachycineta bicolor ) by experimentally heating nests during incubation by an average of 6·9 ° C to test for changes in incubation behaviour. 2. Females in heated boxes (hereafter 'heated females') increased time spent incubating and maintained higher on-bout and off-bout egg temperatures. This indicates that female energetic constraints, not maximizing developmental conditions of offspring, determine incubation investment. Furthermore, this result suggests that embryonic developmental conditions in unmanipulated nests are suboptimal. 3. We found individual variation in how females responded to experimental heating. Early-laying (i.e. higher phenotypic quality) females with heated nests increased egg temperatures and maintained incubation constancy, while later-laying (lower quality) heated females increased incubation constancy. Changes in egg temperature were due to changes in female behaviour and not due directly to increases in internal nest-box temperatures. 4. Behaviour during the incubation period affected hatching asynchrony. Decreased variation in egg temperature led to lower levels of hatching asynchrony, which was also generally lower in heated nests. 5. Our study finds strong support for the prediction that intermittent incubators set their incubation investment at levels dictated by energetic constraints. Furthermore, females incubating in heated boxes allocated conserved energy primarily to increased egg temperature and increased incubation attentiveness. These results indicate that studies investigating the role of energetics in driving reproductive investment in intermittent incubators should consider egg temperature and individual variation more explicitly.

show abstract

Section: Introductionmentioning

confidence: 99%

Temperature and life history: experimental heating leads female tree swallows to modulate egg temperature and incubation behaviour

Ardia

Pérez

Chad

et al. 2008

Journal of Animal Ecology

115

111

View full text Add to dashboard Cite

show abstract

“…Williams 1994;Christians 2002;Lessells et al 2002;Barkowska et al 2003). Among these, in the species studied, the most important one (beside the genetic differences between the females) is probably the condition of the female resulting from the accessibility of appropriate food.…”

Section: Discussionmentioning

confidence: 98%

Should avian egg size increase as a result of global warming? A case study using the red-backed shrike (Lanius collurio)

et al. 2004

View full text Add to dashboard Cite

From some life-history traits, avian egg size can be postulated as potentially affected by climate change.In this paper, we present and discuss the potential effect of mean temperature in the breeding season on egg size of the red-backed shrike (Lanius collurio). During the 1971-2002 study period, egg volume of the red-backed shrike decreased significantly, birds arrived at the breeding site significantly earlier, and arrival date was correlated with the earliest first egg date. To our knowledge, we present the first evidence that avian egg size decreased significantly in a long-term study. However, we do not have experimental manipulations in support of our data and we can only conclude that the decrease in egg volume in the studied population might result as a consequence of a number of factors, including changes in temperature, as well as in food supply. Therefore climate change effects on a bird's life-history traits can be more complex than just the simple direct effect of temperature.

show abstract

“…the parasites found on nestlings or in the nest were described (Draber-Mońko 1997, Pinowski et al 1997, Krumpal et al 2000-2001. A more detailed description of the study area and methods is in Pinowski et al (2000Pinowski et al ( -2001, Pinowska et al (2002aPinowska et al ( , 2002b and Barkowska et al (2003).…”

Section: Study Area Materials and Methodsmentioning

confidence: 99%

The Effect of Egg Size on Growth and Survival of the Tree SparrowPasser montanusNestlings

Pinowska¹,

Barkowska²,

Pinowski³

et al. 2004

Acta Ornithologica

Self Cite

View full text Add to dashboard Cite

The Effect of Trends in Ambient Temperature on Egg Volume in the Tree SparrowPasser montanus

Cited by 8 publications

References 53 publications

Temperature and life history: experimental heating leads female tree swallows to modulate egg temperature and incubation behaviour

Temperature and life history: experimental heating leads female tree swallows to modulate egg temperature and incubation behaviour

Should avian egg size increase as a result of global warming? A case study using the red-backed shrike (Lanius collurio)

The Effect of Egg Size on Growth and Survival of the Tree SparrowPasser montanusNestlings

Contact Info

Product

Resources

About