Rainfall, Fruiting Phenology, and the Nesting Season of White-Crowned Pigeons in the Upper Florida Keys

Bancroft, G. Thomas; Bowman, Reed; Sawicki, Richard J.

doi:10.1642/0004-8038(2000)117[0416:rfpatn]2.0.co;2

Cited by 27 publications

(15 citation statements)

References 40 publications

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“…La fenología de las aves tropicales está influenciada principalmente por los periodos secos y lluviosos (Stiles 1983, Bancroft et al 2000, Bosque et al 2004, y la duración del fotoperiodo (Wikelski et al 2000). Estos dos factores ambientales influyen (precipitación) y predicen (duración del día) la disponibilidad de alimento (Stiles 1983, Loiselle & Blake 1990, Poulin et al 1992, Bancroft et al 2000, Wikelski et al 2000, el cual es el recurso limitante en la reproducción de las especies, como por ejemplo en el colibrí Phaetornis longirostris (Stiles 1992), las palomas Patagioenas leucocephala (Bancroft et al 2000), Columbina talpacoti y C. minuta (Bosque et al 2004), y el hormiguero Hylophilax naevioides (Wikelski et al 2000).…”

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“…Estos dos factores ambientales influyen (precipitación) y predicen (duración del día) la disponibilidad de alimento (Stiles 1983, Loiselle & Blake 1990, Poulin et al 1992, Bancroft et al 2000, Wikelski et al 2000, el cual es el recurso limitante en la reproducción de las especies, como por ejemplo en el colibrí Phaetornis longirostris (Stiles 1992), las palomas Patagioenas leucocephala (Bancroft et al 2000), Columbina talpacoti y C. minuta (Bosque et al 2004), y el hormiguero Hylophilax naevioides (Wikelski et al 2000). La temperatura es otro de los factores ambientales que ha sido analizado en estudios fenológicos de aves, pero tiene poca influencia debido a que posee un ámbito de variación pequeño a lo largo del año en los bosques tropicales (voous 1950, Miller 1965, Poulin et al 1992, Barrantes & Sánchez 2003.…”

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Inicio de la época reproductiva y tiempo de defensa del territorio en machos de Colinus leucopogon (Galliformes: Odontophoridae)

Sandoval¹

2010

RBT

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Reproductive season onset and time invested in territory defense in Colinus leucopogon males (Galliformes: Odontophoridae). The factors that determine the onset of the reproductive season and the relationship between territory defense and mating success of Colinus leucopogon males are unknown. Here i report on climatic variables influencing the time of permanence on the territory, and how this affects the species mating success. i also analyze the relationship between the time devoted by males on territory defense and the relationship of song and territorial characteristics. The onset of the reproductive season was determined by an amount of rain greater than 14.3mm during March, favouring the food availability and nesting places abundance, and also allowed an increase in the reproductive success of Colinus leucopogon. The time invested in territory defense by males was not related with their mating success. Moreover, the duration in territory defense was similar for males that paired, compared with those that did not. in addition, song and territory characteristics were not related with males invested time in their territory defense. Therefore, this could be another reason explaining the lack of a relationship between the duration in the territories by males and pair formation, and suggests that song characteristics strongly influence the formation of pairs in this species. Rev. Biol. Trop. 59 (1): 363-372. Epub 2011 March 01.

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Inicio de la época reproductiva y tiempo de defensa del territorio en machos de Colinus leucopogon (Galliformes: Odontophoridae)

Sandoval¹

2010

RBT

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“…They forage and roost in appear to winter in Cuba and the Bahamas, leaving hardwood forests on the lower peninsula and the breeding range by October and returning in April. Breeding is closely tied to the phenology of fruiting among hardwoods, especially poisonwood Metopium toxiferum, and can occur anytime between May and September (Bancroft et al 2000).…”

Section: Species Accountsmentioning

confidence: 99%

“…Censoring points within known nesting colonies is likely to yield estimates of density that are biased low, although we suspect that in this case the bias is relatively small. Large colonies in the Keys may support 10-50 pairs at any given time during the breeding season (e.g., Bancroft et al 2000), and these individuals are spread across the colony, so that only some fraction would be counted during a point-count survey such as ours. Given expected densities of birds in these colonies, and given that we excluded only two points, it seems unlikely that our average count (and thus our estimates of density and abundance) would have substantially shifted had the censored points been included.…”

Section: Species Accountsmentioning

confidence: 99%

“…Of the North American Fauna I www.fwspubs.org mangrove endemics, white-crowned pigeon has received the most study (Bancroft and Bowman 1994;Strong and Bancroft 1994;Bancroft et al 2000), although much basic information on the natural history of this species stems from Puerto Rico, where its habitats appear markedly different from those of Florida populations (Wiley and Wiley 1979). A series of studies conducted by Prather and Cruz (1995, 1996, 2002, 2006 yielded information on the breeding biology of populations of Florida prairie warblers, Cuban yellow warblers, and several other species at Key Largo and Sanibel Island, and Buerkle (1999Buerkle ( , 2000 provided information on the genetics, morphology, and possible origin of Florida prairie warbler.…”

Section: Introductionmentioning

confidence: 99%

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Abundance and Distribution of Mangrove Landbirds in Florida

Lloyd¹,

Slater²

2014

North American Fauna

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Florida's mangroves provide habitat for an eclectic mix of bird species, including five taxa rarely found elsewhere in North America. Little is known of the natural history of any of these birds, which poses an obstacle to effective conservation. To help fill some of the basic gaps in our understanding of this avifauna, we conducted extensive surveys in Florida's mangroves during 2008-2011, with the goals of quantifying distribution and estimating breeding-season abundance of mangrove landbirds. We detected 80 species in the mangroves during the breeding season; most were species in Passeriformes (n = 29), but other important taxa included Ciconiiformes (n = 13) and Charadriiformes (n = 12). We focused our analysis on the 18 landbird species (including members of Falconiformes, Columbiformes, Cuculiformes, Piciformes, and Passeriformes) that had >90 detections and that were detected at >5% of the survey points. The landbird avifauna of Florida's mangroves is lower in both species richness and total number of individuals than other vegetation types of southern Florida. The breeding assemblage of mangrove landbirds was dominated numerically by four species that accounted for 58% of all detections of landbirds (this same group accounted for 52% of detections of all species encountered): red-bellied woodpecker Alelanerpes carolinus, northern cardinal Cardinalis cardinalis, Florida prairie warbler Setophaga discolor paludicola, and white-eyed vireo Vireo griseus. Only Florida prairie warbler is restricted to mangroves; the other three species are common throughout much of eastern North America. Each of these species was also widely distributed in the mangroves. Of the other species unique to the mangroves of Florida, black-whiskered vireo Vireo altiloquus was widespread but was less abundant than Florida prairie warbler. White-crowned pigeon Patagioenas leucocephala, gray kingbird Tyrannus dominicensis, and Cuban yellow warbler Setophaga petechia gundlachi were detected only in the Florida Keys and on the islands of Florida Bay, but were found in high densities where present. Mangrove cuckoo Coccyzus minor was found throughout the mangroves but occurred at very low density and at only a small percentage of survey points. Overall, mangrove landbirds reflect the biogeographic condition common throughout southern Florida, in which largely temperate faunas coexist with largely tropical floras. The predominance of temperate species in Florida's mangroves has produced an avifauna apparently more species-rich than that found in the mangroves of West Indian islands, which include additional tropical species but no species of temperate origin.

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A methodology for long-term population monitoring of the endangered key largo cotton mouse

2013

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The Key Largo cotton mouse (Peromyscus gossypinus allapaticola) was federally listed as Endangered in 1984 due to habitat loss and subsequent population decline, but because of infrequent monitoring, the extent of decline and long-term population trends are unknown. We modeled population abundance under a variety of trapping scenarios to develop a monitoring protocol that would provide accurate population estimates and could be conducted more frequently under current personnel and budget constraints. We captured cotton mice on 33 trapping grids in Key Largo, Florida, USA, during 3 trapping sessions (1 Mar-11 May, 4 Jul-7 Sep, and 29 Oct-31 Dec) in 2007. We compared demographic parameter estimates from subsets of trapping grids with estimates from all grids to identify a subset of grids that would produce population estimates within 10% and remain within the 95% confidence intervals of estimates using all grids when both methods were extrapolated to total available habitat. There were insufficient captures in session 1 to produce a reliable population estimate. We found that 13 and 12 trapping grids, respectively, produced abundance estimates meeting our criteria in sessions 2 and 3. We conclude that the subset of 12 grids trapped during November and December will allow a 64% reduction in number of trapping grids necessary to provide a reliable population estimate. Employed annually, our recommended trapping protocol provides state and federal agencies an efficient method for monitoring trends in the Key Largo cotton mouse population. Ó 2013 The Wildlife Society.

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Rainfall, Fruiting Phenology, and the Nesting Season of White-Crowned Pigeons in the Upper Florida Keys

Cited by 27 publications

References 40 publications

Inicio de la época reproductiva y tiempo de defensa del territorio en machos de Colinus leucopogon (Galliformes: Odontophoridae)

Inicio de la época reproductiva y tiempo de defensa del territorio en machos de Colinus leucopogon (Galliformes: Odontophoridae)

Abundance and Distribution of Mangrove Landbirds in Florida

A methodology for long-term population monitoring of the endangered key largo cotton mouse

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