Category: Tyrannidae

INTERSPECIFIC AGGRESSION IN NESTING GREATKISKADEES (PITANGUS SULPHURATUS) IN PARAGUAY

Great Kiskadee (Pitangus sulphuratus) Science Article 3 abstract The Great Kiskadee (Pitangus sulphuratus) is one of the commonest and most conspicuous bird species in Paraguay (del Castillo & Clay 2004, Smith & Clay in press) and is well known for its robust and rowdy nature. During fieldwork at Estancia Laguna Blanca, Departamento de San Pedro, […]

Unusual bathing behavior of the Fork-tailed Flycatcher in Colombia

Fork-tailed Flycatcher (Tyrannus savana) Science Article 1 abstract While conducting a crocodile (Crocorlylus sp.) census along the Tomo River, Vichada, Colombia, I observed Fork-tailed Flycatchers (Tyrarznus savana) engaged in unusual group behavior. Six birds were perched 10 m up in a dead tree at water’s edge on the south bank of the river. The birds […]

A future cost of misdirected parental care for brood parasitic young?

Eastern Phoebe (Sayornis phoebe) Science Article 2 abstract Parental care is advantageous because it typically increases the survival ofgenetically related young. In contrast, parental care given to unrelated young incurs no benefit.A further cost of parental investment is that it reduces the future reproductive potential of thecaregiver Mark E. HAUBER, Folia Zool. – 55(4): 367-374 […]

The duration of parental care in the Common Tody Flycatcher

Common Tody-Flycatcher (Todirostrum cinereum) Science Article 1 abstract The nesting habits of the Common Tody Flycatcher (Todirostrum cinereum)are now well known. Skutch (1930,Auk 47:313-322;1960, Pacific Coast Avifauna 34: 475-489) published two detailed life histories of the race finitimum in Panama and Costa Rica, and I (Haverschmidt 1968, Birds of Surinam, Edinburgh, Oliver and Boyd, p. […]

An observation of attempted interspecific kleptoparasitism between two neotropical Tyrannid flycatchers

Boat-billed Flycatcher (Megarynchus pitangua) 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, […]

Wing-barred Piprites (Piprites chloris)

[order] PASSERIFORMES | [family] Tyrannidae | [latin] Piprites chloris | [UK] Wing-barred Piprites | [FR] Manakin a ailes barrees | [DE] Graunacken-Piprites | [ES] Piprites Verde | [NL] Streepvleugelmanakin Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Piprites chloris SA n Colombia, Amazonia, se SA Piprites chloris antioquiae Piprites chloris boliviana […]

Swainsons Flycatcher (Myiarchus swainsoni)

[order] PASSERIFORMES | [family] Tyrannidae | [latin] Myiarchus swainsoni | [UK] Swainsons Flycatcher | [FR] Moucherolle de Swainson | [DE] Swainsontyrann | [ES] Copeton de Swainson | [NL] Swainsons Tiran Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Myiarchus swainsoni SA widespread Myiarchus swainsoni albimarginatus Myiarchus swainsoni ferocior Myiarchus swainsoni pelzelni […]

Thick-billed Kingbird (Tyrannus crassirostris)

[order] PASSERIFORMES | [family] Tyrannidae | [latin] Tyrannus crassirostris | [UK] Thick-billed Kingbird | [FR] Tyran brun | [DE] Dickschnabel-Tyrann | [ES] Tirano Piquigrueso | [NL] Diksnavelkoningstiran Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Tyrannus crassirostris NA, MA sw USA to Guatemala Tyrannus crassirostris crassirostris Tyrannus crassirostris pompalis Physical charateristics […]

Variegated Flycatcher (Empidonomus varius)

[order] PASSERIFORMES | [family] Tyrannidae | [latin] Empidonomus varius | [UK] Variegated Flycatcher | [FR] Tyran varie | [DE] Fleckentyrann | [ES] Tuquito Rayado | [NL] Bonte Tiran Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Griseotyrannus varius Empidonomus varius SA widespread Empidonomus varius rufinus Empidonomus varius varius Physical charateristics The […]