A Record of Communal Nesting in the Barn Owl (<i>Tyto alba</i>)

Hadad, Ezra; Roulin, Alexandre; Charter, Motti

doi:10.1676/13-180.1

Cited by 3 publications

(3 citation statements)

References 23 publications

(24 reference statements)

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“…In a species with asynchronous hatching, this suggests that food supply was not sufficient to feed all chicks resulting in the death of the youngest individuals. Compared with the previous record of communal breeding in Israel (Hadad et al 2015), this case had a considerably lower reproductive success (4 nestlings fledged out of 10 hatchlings compared to 16 fledglings out of 19 hatchlings in Israel) suggesting the parents adopted different strategies to rear their broods.…”

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confidence: 79%

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Communally breeding female Barn Owls Tyto alba are not related and do not invest similarly in the communal family

et al. 2019

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Running head: Barn Owl Communal NestCapsule We report detailed information about relatedness and parental investment in a communal nest in the Barn Owl. Two unrelated females laid their eggs in a single nest cup and successfully raised four nestlings out of 11 laid eggs. Apparently, the yearling female was not incubating the eggs and was only occasionally hunting for the brood in contrast to the older female who invested more effort in parental care.Communal breeding defines the situation where several females lay their eggs or give birth to their offspring in a single nest cup and cooperate to raise their offspring. While this breeding system occurs in mammals on a regular basis, particularly in rodents (Hayes 2000), it is much rarer in birds (see references

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confidence: 79%

“…In Israel, two Barn Owl (Tyto alba) females recently bred in the same nest with a single male, each female incubating her own clutch side by side (Hadad et al 2015). Twenty eggs were laid of which 19 hatched and 16 nestlings fledged.…”

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confidence: 99%

Communally breeding female Barn Owls Tyto alba are not related and do not invest similarly in the communal family

et al. 2019

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“…In studies by Hadad et al (2015), in Israel, a rare case of polygamy was observed in this species with a laying of 19 eggs, which is beyond the average reported in this region of five to 11 eggs per pair of laying, with an average of 3.6 hatchlings. Similarly, Taylor (1994) reports that, for that species, one or two breeds are produced in a year, consisting on 2-16 eggs each (mean: 5-6).…”

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confidence: 52%

Monitoring the feeding and parental care behavior of a pair of free-living owls (Tyto furcata) in the nest during the reproductive period in Rio de Janeiro, Brazil

et al. 2024

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The American Barn Owl (Tyto furcata) lives in urban, periurban and wild environments and feeds mainly on small rodents, meaning it has great importance in the biological control of pests. The aim of this work was to describe the reproductive, parental and eating habits of a pair of American barn owls naturally living outside a residence in the urban area of the municipality of Campos dos Goytacazes, Rio de Janeiro state, Brazil. A wood box was installed on an outside wall of the home, monitored by a video camera. A spreadsheet was created to keep track of the observations recorded. The female laid four eggs, and after an incubation period of 30-32 days all the eggs hatched, but only two chicks survived after cannibalism among the chicks. Initially, the male provided the food to the chicks and the female remained in the nest caring for the brood. After approximately a month, the female also began to leave the nest and return with prey, which was offered to the chicks, with the male also continuing this behavior. The chicks left the nest in September, 2017. The data obtained show the existence of cooperation and division of tasks between male and female owls during the reproductive period.

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Roulin

2022

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A Record of Communal Nesting in the Barn Owl (Tyto alba)

Cited by 3 publications

References 23 publications

Communally breeding female Barn Owls Tyto alba are not related and do not invest similarly in the communal family

Communally breeding female Barn Owls Tyto alba are not related and do not invest similarly in the communal family

Monitoring the feeding and parental care behavior of a pair of free-living owls (Tyto furcata) in the nest during the reproductive period in Rio de Janeiro, Brazil

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