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Nido con dos huevos de Yerutí Colorada (Leptotila rufaxilla reichenbachii), Jardín América, Misiones, Argentina, 12 de diciembre de 1988. Foto: S Salvador.
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Citations
... In Acre L. rufaxilla inhabits the interior of the forest and is common to occur in open areas with plantations, where occurs in sympatry with its congener L. verreauxi (Guilherme 2016). Few data are available on the reproductive biology of L. rufaxilla, with some observations in northern Brazil (Oniki & Willis 1983), French Guiana (Tostain 1989, Surinam (Ingels 1981), Trinidad (Snow & Snow 1964) and Argentina (Bodrati & Salvador 2013, de la Peña 2019. Here we present new information on the breeding biology, such as nestling growth, of L. rufaxilla from a lowland forest in southwestern Brazilian Amazon. ...
... Overall, the characteristics of the breeding were similar to those recorded for many Neotropical Doves (Skutch 1949, Snow & Snow 1964, Marini et al. 2010, Lima et al. 2019. The shape and dimensions nest of L. r. reichenbachii in Argentina (Bodrati & Salvador 2013) and L. r. rufaxilla in north Brazil (Oniki & Willis 1983) were similar to those found in this work, like "shallow platforms". This nest type is typical of many Columbidae, e.g., Geotrygon montana (Ingels 1981), L. verreauxi (Lopes et al. 2013) and Paraclaravis mondetoura (Blomberg 2020). ...
... This nest type is typical of many Columbidae, e.g., Geotrygon montana (Ingels 1981), L. verreauxi (Lopes et al. 2013) and Paraclaravis mondetoura (Blomberg 2020). The height of the nests above ground was consistent with descriptions for L. rufaxilla in Argentina (Bodrati & Salvador 2013, de la Peña 2019, and in French Guiana, where this species as well build its nests in fruit trees or over the accumulation of dry leaves (Tostain 1989). ...
We present new aspects of breeding biology of Gray-fronted Dove Leptotila rufaxilla, from five nests found between 2012 and 2014 in a lowland forest fragment in southwestern Brazil. The nests simple/platform shape were built at a mean height of 1.90 m above ground. The clutch size was two eggs white and elliptic, incubated for 15 days (based on three nests). We recorded predation in two nests still in incubation phase. Minimum hatch weight of nestlings was 10 g and young fledged with a mean mass of 56 g. The constant growth rate (K) of nestlings was 0.40 with a growth asymptote of 60.7 g. Daily survival rate, Mayfield and apparent nesting success in the incubation period was 90, 20 and 56%, respectively, while in the nestling period were all 100%. Our data and the contribution of citizen science showed that L. rufaxilla breeds over the year, mainly in the rainy season, both in southwestern Amazonia and in other regions of occurrence.
This is the second in a series of articles about the breeding biology of Brazilian birds based on field work in various regions of the country since the 1980s. The data cover various aspects of breeding biology, such as seasonality, nest architecture, materials and measurements, clutch size, egg colour, size and shape, incubation and nestling periods, and parental care. Many data are presented scientifically for the first time. Overall, we present information concerning 316 nests of 15 species of Columbidae and five species of Cuculidae: Scaled Pigeon Patagioenas speciosa (two nests, with the first detailed measurements), Picazuro Pigeon P. picazuro (22 nests), Pale-vented Pigeon P. cayennensis (four nests), Plumbeous Pigeon P. plumbea (one nest), Ruddy Pigeon P. subvinacea (three nests, with the first nest and egg measurements for the species), Ruddy Quail-Dove Geotrygon montana (33 nests), White-tipped Dove Leptotila verreauxi (40 nests), Grey-fronted Dove L. rufaxilla (two nests), Eared Dove Zenaida auriculata (18 nests), Long-tailed Ground Dove Uropelia campestris (three nests, providing the first breeding data for the species), Common Ground Dove Columbina passerina (two nests), Plain-breasted Ground Dove C. minuta (four nests), Ruddy Ground Dove C. talpacoti (43 nests), Scaled Dove C. squammata (16 nests), Picui Ground Dove C. picui (nine nests), Guira Cuckoo Guira guira (21 nests), Greater Ani Crotophaga major (four nests, with the first confirmed nest and egg measurements from Brazil), Smooth-billed Ani C. ani (76 nests), Striped Cuckoo Tapera naevia (12 events, including four new hosts), and Squirrel Cuckoo Piaya cayana (one nest).
