Dec 31 2011
Grey Kingbird (Tyrannus dominicensis) Science Article 1 abstract We added artificial Shiny Cowbird (Molothrus bonariensis) eggs to Gray Kingbird (Tyrannus dominicensis) nests in the Bahamas, where Shiny Cowbirds were first recorded in 1993. Gray Kingbirds ejected 85% of artificial eggs within 48 hr of addition. Based upon the short time of contact between the two …
Dec 27 2011
Yellow-breasted Flycatcher (Tolmomyias flaviventris) Science Article 1 abstract In Surinam, the Yellow-breasted Flycatcher inhabits tall mangroves and shade trees in the coffee plantations in the coastal plain. It feeds on small insects plucked in flight from among the foliage. The call is a shrill and high pitched tchee-ee. A display consisting of slow waving movements …
Dec 27 2011
Sulphury Flycatcher (Tyrannopsis sulphurea) Science Article 1 abstract Kleptoparasitism, the interspecific and intraspecific stealing of already procured food, is well known among many taxa of birds (Brockmann & Barnard 1979), but has been reported only rarely in the avian family Tyrannidae. To my knowledge there are only two published observations of kleptoparasitism by tyrannid flycatchers, …
Dec 27 2011
Swainsons Flycatcher (Myiarchus swainsoni) Science Article 1 abstract Zimmer (1938: 408) was the first to demonstrate that the nominate subspecies of Swainsonss Flycatcher (Myiarchus s. swainsoni) of southeastern South America winters in northern South America. He based his demonstration upon specimens known to him from Guyana, Venezuela, and Colombia. Junge and Mees (1958: 106) later …
Dec 27 2011
Suiriri Flycatcher (Suiriri suiriri) Science Article 1 abstract We investigated composition, annual cycle, site fidelity; foraging behavior of birds in mixed-species flocks, and the importance of sentinel behavior by the White-banded Tanager, Neothraupis fasciata, in a cerrado (savanna) near Brasilia, Brazil. Mixed-species flocks, comprising up to twenty-five resident, migratory, and transitory species, occurred in all …
Dec 27 2011
Sirystes (Sirystes sibilator) Science Article 1 abstract Field and laboratory studies support recent hypotheses that Sirystes sibilator is closely allied with the myiarchine flycatchers rather than with Tyrannus or with the cotingids. The first confirmed nest of this tyrant (located in a natural tree cavity), its foraging behavior, and the derived character states of the …
Dec 27 2011
Sepia-capped Flycatcher (Leptopogon amaurocephalus) Science Article 1 abstract Nest and/or nest site reuse within and between breeding seasons was reported by the Euler’s Flycatcher (Lathrotriccus euleri), the Sepia-capped Flycatcher (Leptopogon amaurocephalus) and the Gray-hooded Flycatcher (Mionectes rufiventris)in forest fragments from southeastern Brazil. Nest and/or nest site reuse between some years was frequent within a single …
Dec 27 2011
Rusty-margined Flycatcher (Myiozetetes cayanensis) Science Article 1 abstract In March-May 1999, I conducted observations on breeding ecology of Rusty-margined (Myozetetes cayanensis) and Social (M. similis) flycatchers along the coast of the Barro Colorado Island located on an artificial lake Gatun. The lake was created during the building of the Panama Canal. The island, a naturereserve, …
Dec 27 2011
Rusty-margined Flycatcher (Myiozetetes cayanensis) Science Article 2 abstract IN Surinam the Rusty-margined Flycatcher (Myiozetetes cayane.ensis) is one of the commonest birds. For a general description, its habitat and breeding habits the reader is referred to my ‘Birds of Surinam’ (Haver- Schmidt, 1968). Two life-histories have been published, a short one by Skutch (1960) from Barro …
Dec 27 2011
Rufous-tailed Flatbill (Ramphotrigon ruficauda) Science Article 1 abstract In French Guiana, the nesting of the Rufous-tailed Flatbill (Raraphotrigon ruficauda) occurs during the main dry season from mid-July to the end of October. This rain forest inhabitant nests exclusively at the bottom of cavities in the end of broken trunks orlarge fallen branches near the ground. …
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