Arthropods and Seeds are not Sufficient as Calcium Sources for Shell Formation and Skeletal Growth in Passerines

Graveland, J.; Gijzen, T. van

doi:10.5253/arde.v82.p299

Cited by 90 publications

(129 citation statements)

References 43 publications

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“…In summary, almost al1 bird species appear to ingest calcium-rich items during the egg-laying and nestling period (Graveland & van Gijzen 1994). These studies suggest that female and nestling birds utilize calcium-rich objects to supplement their diet.…”

Section: Calcium Sourcesmentioning

confidence: 89%

“…Females require a large amount of calcium to contribute to the formation of eggshells prior to egg laying and al1 nestlings require sufficient calcium to meet the high dernands of skeletal growth (Robbins 1983;O'Conner 1984;Barclay 1994 Studier & Sevick (1992) and Graveland & van Gijzen (1994) found that the calcium composition of insects in most orders is less than 0.3% dry m a s . However, some terrestrial arthropods such as some larvae, spiders, millipedes and woodlice have calcified exoskeletons, making their calcium content as much as 100 times higher than other arthropods (Reichle et al 1969;Graveland & van Gijzen 1994), but these wingless arthropods are largely unavailable to aerial insectivorous birds (e.g. swallows, Himndinidae).…”

Section: Calcium Demandsmentioning

confidence: 99%

“…Calcium assimilation estimates are known mainly for domestic fowl and range from 50 -70% (Hurwitz & Griminger 1961 ;Taylor 1962;Sturkie 1965;Graveland & van Gijzen 1994). There do not appear to be substantial differences in digestive efficiency of adult and nestling birds (Graveland & van Gijzen 1 994).…”

Section: Estimated Calcium Requirementsmentioning

confidence: 99%

“…However, the skeleton can only provide a srnaIl fraction of the necessary calcium. The amount of calcium contained within a full clutch of eggs often exceeds the total calcium content in the female bird (Jones 1976;Perrins 1979;Turner 1982;Ormerod et al 1988;Graveland & van Gijzen 1994;Krementz & Ankney 1995; but see Schifferli 1979;Houston et al 1995). Piersma ef al.…”

Section: Calcium Sourcesmentioning

confidence: 99%

See 3 more Smart Citations

Effects of supplemental calcium on the growth rate of an insectivorous bird, the purple martin (Progne subis)

Poulin

Brigham

2001

Écoscience

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Section: Calcium Sourcesmentioning

confidence: 89%

Section: Calcium Demandsmentioning

confidence: 99%

Section: Estimated Calcium Requirementsmentioning

confidence: 99%

Section: Calcium Sourcesmentioning

confidence: 99%

See 2 more Smart Citations

Effects of supplemental calcium on the growth rate of an insectivorous bird, the purple martin (Progne subis)

Poulin

Brigham

2001

Écoscience

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“…These invertebrates, taken as prey by forest nesting birds, may be an important source of calcium, necessary for breeding Vangijzen 1994, Graveland andvan der Wal 1996, Bures and Schematic showing alternating extensive, broadscale and intensive, fine-scale studies to address multiple stressors over multiple geographic extents. Broadscale, volunteer-based studies allow the documentation of patterns of population-level response to stressors, whereas fine-scale intensive studies can elucidate the processes that lead to observed patterns.…”

Section: Acid Rainmentioning

confidence: 99%

Understanding the Risk to Neotropical Migrant Bird Species of Multiple Human-Caused Stressors: Elucidating Processes Behind the Patterns.

Hames¹,

Lowe²,

Swarthout³

et al. 2006

E&S

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Impact of urbanization on abundance and phenology of caterpillars and consequences for breeding in an insectivorous bird

Seress

Hammer

Bókony

et al. 2018

Ecological Applications

124

168

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Urbanization can have marked effects on plant and animal populations' phenology, population size, predator-prey, interactions and reproductive success. These aspects are rarely studied simultaneously in a single system, and some are rarely investigated, e.g., how insect phenology responds to urban development. Here, we study a tri-trophic system of trees, phytophagous insects (caterpillars), and insectivorous birds (Great Tits) to assess how urbanization influences (1) the phenology of each component of this system, (2) insect abundance, and (3) avian reproductive success. We use data from two urban and two forest sites in Hungary, central Europe, collected over four consecutive years. Despite a trend of earlier leaf emergence in urban sites, there is no evidence for an earlier peak in caterpillar abundance. Thus, contrary to the frequently stated prediction in the literature, the earlier breeding of urban bird populations is not associated with an earlier peak in caterpillar availability. Despite this the seasonal dynamics of caterpillar biomass exhibited striking differences between habitat types with a single clear peak in forests, and several much smaller peaks in urban sites. Caterpillar biomass was higher in forests than urban areas across the entire sampling period, and between 8.5 and 24 times higher during the first brood's chick-rearing period. This higher biomass was not associated with taller trees in forest sites, or with tree species identity, and occurred despite most of our focal trees being native to the study area. Urban Great Tits laid smaller clutches, experienced more frequent nestling mortality from starvation, reared fewer offspring to fledging age, and their fledglings had lower body mass. Our study strongly indicates that food limitation is responsible for lower avian reproductive success in cities, which is driven by reduced availability of the preferred nestling diet, i.e., caterpillars, rather than phenological shifts in the timing of peak food availability.

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Arthropods and Seeds are not Sufficient as Calcium Sources for Shell Formation and Skeletal Growth in Passerines

Cited by 90 publications

References 43 publications

Effects of supplemental calcium on the growth rate of an insectivorous bird, the purple martin (Progne subis)

Effects of supplemental calcium on the growth rate of an insectivorous bird, the purple martin (Progne subis)

Understanding the Risk to Neotropical Migrant Bird Species of Multiple Human-Caused Stressors: Elucidating Processes Behind the Patterns.

Impact of urbanization on abundance and phenology of caterpillars and consequences for breeding in an insectivorous bird

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