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Hoarding of individual nuthatches Sitta europaea and march tits Parus palustris
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The hoarding behaviour of one pair of nuthatches Sitta europaea L. and of four individual marsh tits Parus palustris L. was studied during autumn and winter in a deciduous grove in central Sweden. Sunflower seeds were offered at a feeding table. AM individuals studied stored seeds intensively throughout the whole study period. The two species showed very different hoarding patterns. The nuthatch pair aggressively defended the area around the feeding table, which was within their territory, from other nuthatches and also seemed to affect the hoarding behaviour of the coexisting marsh tits. Some significant differences were found also between con‐specifics in some aspects of hoarding behaviour, which could in some cases be related to sex or dominance. These differences may make hoarding profitable for the individual birds if they also differ in their foraging patterns individually, and so will have a greater probability of finding their own stored items than other individuals. However, the evidence for individual segregation of hoarding patterns is not conclusive.
Title: Hoarding of individual nuthatches Sitta europaea and march tits Parus palustris
Description:
The hoarding behaviour of one pair of nuthatches Sitta europaea L.
and of four individual marsh tits Parus palustris L.
was studied during autumn and winter in a deciduous grove in central Sweden.
Sunflower seeds were offered at a feeding table.
AM individuals studied stored seeds intensively throughout the whole study period.
The two species showed very different hoarding patterns.
The nuthatch pair aggressively defended the area around the feeding table, which was within their territory, from other nuthatches and also seemed to affect the hoarding behaviour of the coexisting marsh tits.
Some significant differences were found also between con‐specifics in some aspects of hoarding behaviour, which could in some cases be related to sex or dominance.
These differences may make hoarding profitable for the individual birds if they also differ in their foraging patterns individually, and so will have a greater probability of finding their own stored items than other individuals.
However, the evidence for individual segregation of hoarding patterns is not conclusive.
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