Reproductive aspects of the Yellow-bellied Elaenia, Elaenia flavogaster (Tyrannidae), in the state of São Paulo, Brazil

Nunes, Vitória Lopes; Davanço, Paulo V.; Oliveira, Leonardo Scalon de; Freitas, Maikon de Souza; Francisco, Mercival R.

doi:10.1007/s43388-020-00030-1

Cited by 5 publications

(8 citation statements)

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“…Breeding activities were recorded on November in southeastern and southern Brazil (Belton, 1985;Lopes et al 2013), which together with our nest found in October, is within the breeding season range expected for most passerine birds from these regions (Belton, 1985;Marini and Durães, 2001). Following the pattern of other widely distributed taxa, breeding season in northern South America was remarkably different (see also Davanço et al 2013;Perrella et al 2017;Nunes et al 2020), with nesting activities being recorded in February, April, May, and June in Tobago (Ffrench, 2012), although the number of studied nests is still not sufficient for precise breeding phenology determination. Phylogenetic analyses have revealed a close relationship between Cnemotriccus Hellmayr, 1927 and Lathrotriccus Lanyon, W & Lanyon, S, 1986 (Cicero and Johnson, 2002;Rheindt et al 2008;Ohlson et al 2008), and our data confirmed that eggs shape, patterns of egg markings, clutch sizes, and nest placement were similar between these taxa (see Aguilar et al 1999;Greeney, 2014).…”

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confidence: 73%

Additional breeding biology information on the Fuscous Flycatcher, Cnemotriccus fuscatus (Wied, 1831)

2024

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confidence: 73%

Additional breeding biology information on the Fuscous Flycatcher, Cnemotriccus fuscatus (Wied, 1831)

2024

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“…The length of the nestling stage that we estimated for this passerine (13.9 days) was equal to that of its south-temperate congener (Gonzalez 2020) and shorter than that of its tropical congeners (15-19.5 days; Medeiros & Marini 2007, Marini et al 2009, Nunes et al 2020). The difference with tropical elaenias might be explained by greater interspecific competition in tropical areas, where up to eight Elaenia species coexist (Fitzpatrick 2004).…”

Section: Discussionmentioning

confidence: 67%

“…shorter duration of the incubation and nestling stages, greater number of offspring in each reproductive event and greater number of annual reproductive events; Soriano-Redondo et al 2020) than partially migratory and resident species. Nonetheless, the incubation length (13.4-15.2 days; Medeiros & Marini 2007, Marini et al 2009, Gonzalez 2020, Nunes et al 2020 and the number of reproductive events per season (1-2; Medeiros & Marini 2007, Gonzalez 2020 were not markedly different among Elaenia species, which suggests that the effects of migration on life-history strategies of South American birds might be subtler than those on life-history strategies of Northern Hemisphere birds. Hence, further studies are needed to determine whether migratory species actually have faster life-history strategies than resident birds in South America.…”

Section: Discussionmentioning

confidence: 89%

“…However, studies on this topic have only been carried out in 30% of the world's bird species, while for the remaining species this information is scarce or unknown (Xiao et al 2017). Particularly in the Neotropics, research into breeding biology has notably increased during the last decades (Freile et al 2014) through numerous published papers that provide reproductive parameters for birds living in tropical and south temperate zones (e.g., Moreno et al 2005, Massoni et al 2007, Marini et al 2009, Segura et al 2015, Nunes et al 2020). Nonetheless, for most of the species living in these regions their reproductive biology is partly- or poorly-known (Xiao et al 2017).…”

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confidence: 99%

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Breeding Biology of the Chilean Elaenia Elaenia chilensis, a Long-Distance Migratory Passerine in South America

Gorosito

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Cueto

2022

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Studies examining breeding biology provide information about reproductive parameters, which are useful in formulating life-history theories. Although these studies have notably increased in the Neotropics in recent years, some gaps remain; thus, more research is needed to better understand life-history strategies of New World birds. Furthermore, research into the breeding biology of migratory birds is crucial to advance our understanding of trade-offs between reproduction and migration in Neotropical austral migrant birds. Our aims were to describe in detail the breeding biology of the Chilean Elaenia Elaenia chilensis, a long-distance Neotropical austral migrant, and to discuss current life-history theories for New World passerines. We monitored 113 nests during four consecutive breeding seasons (2014/2015–2017/2018) in the Andean-Patagonian Forest. The breeding season lasted 77 days and the nesting period, from egg laying to fledging, had a mean duration of 29.9 days. Mean clutch size was 2.4 eggs (range: 1–3) and decreased throughout the breeding season. The incubation and nestling stages lasted c. 14 days each. Fledgling number also decreased as the season progressed. The mean ± SE daily nest survival rate was 0.960 ± 0.005, corresponding to an overall nest success of 29.5%. Predation was the main cause of nest loss (61.1%). Reproductive parameters of the Chilean Elaenia coincide with characteristics of high-survival species that invest little in reproduction. Despite being a long-distance migrant, its life-history strategy does not seem to be much faster than that of its tropical resident congeners. This might not support the result reported in the Northern Hemisphere that migratory birds have a faster pace of life than resident birds.

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“…However, this scenario has been changing gradually in recent years, with the constant publication of new data (e.g. Beier & Fontana 2019, Floriano et al 2020, Lara et al 2020, Studer & Crozariol 2020, Nunes et al 2020, Martins et al 2020, Cardona-Salazar et al 2021, Larre et al 2022.…”

Section: Introductionmentioning

confidence: 99%

Breeding biology of Hooded Gnateater Conopophaga roberti Hellmayr, 1905 (Aves: Conopophagidae)

2022

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The Hooded Gnateater Conopophaga roberti Hellmayr, 1905 is an insectivorous understory passeriform with discrete behavior, whose reproductive attributes are poorly-known. In the present study, we describe the reproductive biology of the species and the growth pattern of the nestlings, based on observations conducted in remnants of the Cerrado savanna in eastern Maranhão state, in Brazil. The nests were identified during active searches conducted between June, 2018 and March, 2021. A total of 22 nests were found over the course of three breeding seasons. The cup-shaped nests were supported by small branches and were constructed at a mean height of 40.6 ± 16.1 cm (N = 21) above the ground. The nests were 23.1 ± 3.9 cm in length and 14.1 ± 1.6 cm in width (N = 21). The eggs were beige in color, with irregular brown mottling only at the rounded end of the egg, which had a mean length of 21.3 ± 0.8 mm, width of 17.2 ± 0.8 mm, and mass of 3.1 ± 0.1 g (N = 23). Hatchlings are completely naked and weigh 3.1 ± 0.2 g (N = 7), and when they abandon the nest, they have yet to reach full adult size, with the total length being 65.4% of that of the adult, the wing, 65.4%, the head, 73.9%, the culmen, 74.2%, the body mass, 73.3%, and the tarsus, 89.0% that of the adult. The growth curves are sigmoidal and all the coefficients of determination are at least 0.96, with the body length having the highest value (R2 = 0.98). During the breeding season, the adult pair emitted alarm calls constantly when observers were in the vicinity of the nest. On a number of occasions, members of the breeding pair were observed moving away from the nest as it was approached by observers, while engaging in broken-wing display. The nest architecture, the color of the eggs, and the behaviors presented by this gnateater were similar to those described for other Conopophaga. With this work we contributed to improve the knowledge on the breeding behavior of this poorly know group of understory insectivorous birds.

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Reproductive aspects of the Yellow-bellied Elaenia, Elaenia flavogaster (Tyrannidae), in the state of São Paulo, Brazil

Cited by 5 publications

References 28 publications

Additional breeding biology information on the Fuscous Flycatcher, Cnemotriccus fuscatus (Wied, 1831)

Additional breeding biology information on the Fuscous Flycatcher, Cnemotriccus fuscatus (Wied, 1831)

Breeding Biology of the Chilean Elaenia Elaenia chilensis, a Long-Distance Migratory Passerine in South America

Breeding biology of Hooded Gnateater Conopophaga roberti Hellmayr, 1905 (Aves: Conopophagidae)

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