scholarly journals Survival of Captive-Reared Puerto Rican Parrots Released in the Caribbean National Forest

The Condor ◽  
2005 ◽  
Vol 107 (2) ◽  
pp. 424-432 ◽  
Author(s):  
Thomas H. White ◽  
Jaime A. Collazo ◽  
Francisco J. Vilella

Abstract We report first-year survival for 34 captive-reared Puerto Rican Parrots (Amazona vittata) released in the Caribbean National Forest, Puerto Rico between 2000 and 2002. The purpose of the releases were to increase population size and the potential number of breeding individuals of the sole extant wild population, and to refine release protocols for eventual reintroduction of a second wild population elsewhere on the island. After extensive prerelease training, we released 10 parrots in 2000, 16 parrots in 2001, and eight parrots in 2002 ranging in age from 1–4 years old. All birds were equipped with radio-transmitters to monitor survival. The overall first-year survival estimate for the 34 parrots was 41% (CI = 22%–61%). Only one parrot died within the first week postrelease, with most (94%) surviving for at least eight weeks after release. Most (54%) documented mortalities were due to raptor predation, which claimed 21% of all released parrots. A captive-reared bird (male, age one), released in 2001, paired with a wild female and fledged two young in 2004. We also calculated survival based on 0% and 50% of observed predation losses and found hypothetical survival rates of 72% and 54%, respectively. Rigorous prerelease training and acclimation was believed to have improved initial postrelease parrot survival, and releasing mixed age-class groups suggests the potential for shortening the time to recruitment. Supervivencia de Individuos de Amazona vittata Criados en Cautiverio y Liberados en el Bosque Nacional del Caribe Resumen. Determinamos la supervivencia de 34 individuos de cotorras Amazona vittata criados en cautiverio y liberados en el Bosque Nacional del Caribe, Puerto Rico entre el 2000 y el 2002. El propósito de las liberaciones era aumentar el tamaño de la población y el número potencial de individuos reproductores en la única población silvestre remanente, y refinar los protocolos de liberación para eventualmente establecer una segunda población silvestre en la isla. Después de un adiestramiento extensivo, liberamos 10 cotorras en el 2000, 16 cotorras en el 2001, y ocho cotorras en el 2002 fluctuando en edades entre uno y cuatro años. Cada individuo se liberó con un radio transmisor para determinar su supervivencia. La tasa general de supervivencia para 34 cotorras después de un año fue de 41% (IC = 22–61%). Sólo una cotorra murió durante la primera semana post-liberación, con la mayoría (94%) sobreviviendo por lo menos ocho semanas después de liberadas. La mayoría (54%) de la mortandad se debió a la depredación por aves rapaces, la que reclamó 21% de todas las cotorras liberadas. Una cotorra criada en cautiverio (macho, un año de edad), y liberada en el 2001, se apareó con una hembra silvestre y produjeron dos volantones en el 2004. Reduciendo la mortandad por aves rapaces informada en este estudio en un 100%, o en un 50%, resultó en tasas hipotéticas de supervivencia del 72% y 54%, respectivamente. Creemos que el adiestramiento y la aclimatación rigurosa pre-liberación mejoraron la supervivencia inicial post-liberación, y que la liberación de grupos de cotorras de edades mixtas sugiere el potencial de acortar el tiempo de reclutamiento.

2018 ◽  
Vol 7 ◽  
pp. 61
Author(s):  
Rhianna C. Rogers

Puerto Rico has long been understood by archaeologists as a key geographical location for understanding the succession of cultural occupations in the Caribbean (Alegría, 1965; Curet, 2006; Siegel, 2005.) Unfortunately, despite the importance of archaeology in this region, the island has been continuously effected by socio-economic instability, lack of archaeological funding opportunities, few specialized academic programs, and a heavy focus on cultural resource management (CRM) rather than academic research. Though more Puerto Rican-focused archaeologists have joined the academic discussion, publications in this area are still relatively low and heavily focused on CRM and salvage work. Poor funding and resources for non-consulting archaeological projects has relegated Puerto Rico to the “island with the lowest number of publications in the Spanish Caribbean.” (L.A. Current, 2006 pg. 656). This paper will highlight some of the limitations of working in Puerto Rican archaeology. We will use the experiences we gained from our research project at the La Mina archaeological site to shed light on some of the difficulties we encountered as well as (hopefully) encourage an increase in academic and financial support for this understudied region of the Caribbean.


2019 ◽  
pp. 126-143
Author(s):  
Lena Burgos-Lafuente

The chapter provides a genealogy of the 2016 CILE (Congreso Internacional de la Lengua Española), during which the Spanish officialdom celebrated Puerto Rico's linguistic ties to Spain as a 21st-century mercantile ploy. I review the language debates that raged in Puerto Rico in the 1940s, examining Pedro Salinas' 1948 Commencement Speech at the University of Puerto Rico, which would become his famed "Defensa del lenguaje"; revisiting Gov. Luis Muñoz Marín's 1953 speech "La personalidad puertorriqueña en el Estado Libre Asociado"; and ending with a brief coda on Ana Lydia Vega's 1981 short story "Pollito Chicken," to reflect on the positions shared by both Spanish exiles to the Caribbean and local intellectuals regarding language as a self-evident vessel of identity. The main argument is that a rhetoric of defense, crystallized in the 1940s, was redeployed by successive and presumptively opposite segments of the intelligentsia.


Zootaxa ◽  
2019 ◽  
Vol 4657 (1) ◽  
pp. 127-147
Author(s):  
MARCO CURINI-GALLETTI ◽  
GIACINTA A. STOCCHINO ◽  
JON L. NORENBURG

Nine new species of Duplominona and one new Pseudominona (Platyhelminthes, Proseriata, Monocelididae) are described from the Caribbean coast of Panama and from Puerto Rico.                Duplominona aduncospina n. sp.; D. terdigitata n. sp.; D. pusilla n. sp.; D. bocasana n. sp. (from Panama) and D. dissimilispina n. sp.; D. chicomendesi n. sp.; D. macrocirrus n. sp.; D. diademata n. sp.; D. puertoricana n. sp. (from Puerto Rico) can be distinguished from the numerous congeneric species based on fine details of the sclerotized structures of the copulatory organ. Duplominona aduncospina n. sp. is characterised by a cirrus provided with 3–4 rows of recurve spines, 2–3 μm long. D. terdigitata n. sp. shows a tripartite tail, and needle-shaped cirrus spines, 1.5–9 μm long. Cirrus spines of D. pusilla n. sp. are scale-like, 1.5–3 μm long. D. bocasana n. sp. has triangular spines, 1.5–6 μm long. D. dissimilispina n. sp. has needle-shaped spines, 3.5–15 μm long. D. chicomendesi n. sp. has a small cirrus, with few, strongly curved spines, 2–7.5 μm long. D. macrocirrus n. sp. has a large cirrus, provided with spines 3–9 μm long, with the longest spines placed medially. D. diademata n. sp. has a cirrus with two separate spiny areas, with spines 7–13 μm long. D. puertoricana n. sp. has a very long cirrus, with poorly sclerotised proximal spines, and distal spines to 6 μm long. A taxonomic key of the genus Duplominona is provided. Pseudominona cancan n. sp. from Panama differs from P. dactylifera from Bermuda, the only species known in the genus so far, for its shorter cirrus and fewer, triangular spines 3–5 μm long, and for the position of the vagina, close to mouth. A specimen attributed to P. dactylifera collected in Puerto Rico is described. Distribution of the new species suggests a complete separation of Panamanian and Puerto Rican proseriate fauna, confirming previous reports of restricted ranges and high endemicity of mesopsammic Platyhelminthes. 


1998 ◽  
Vol 72 (1-2) ◽  
pp. 125-199
Author(s):  
Redactie KITLV

-Valerie I.J. Flint, Margarita Zamora, Reading Columbus. Berkeley: University of California Press, 1993. xvi + 247 pp.-Riva Berleant-Schiller, Historie Naturelle des Indes: The Drake manuscript in the Pierpont Morgan Library. New York: Norton, 1996. xxii + 272 pp.-Neil L. Whitehead, Charles Nicholl, The creature in the map: A journey to Eldorado. London: Jonathan Cape, 1995. 398 pp.-William F. Keegan, Ramón Dacal Moure ,Art and archaeology of pre-Columbian Cuba. Pittsburgh: University of Pittsburgh Press, 1996. xxiv + 134 pp., Manuel Rivero de la Calle (eds)-Michael Mullin, Stephan Palmié, Slave cultures and the cultures of slavery. Knoxville: University of Tennessee Press, 1995. xlvii + 283 pp.-Bill Maurer, Karen Fog Olwig, Small islands, large questions: Society, culture and resistance in the post-emancipation Caribbean. London: Frank Cass, 1995. viii + 200 pp.-David M. Stark, Laird W. Bergad ,The Cuban slave market, 1790-1880. 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2014 ◽  
Author(s):  
Lisa Nicole Jennings ◽  
Jamison Douglas ◽  
Emrys Treasure ◽  
Grizelle González

1983 ◽  
Vol 15 (1) ◽  
pp. 83-100 ◽  
Author(s):  
Laird W. Bergad

The development of a labor force has become an important focus of recent historical research on 19th-century Puerto Rico. One center of investigation has been slavery and its linkages to sugar culture.1 Until recently historians had consistently stressed the relative insignificance of slave labor in Puerto Rico.2 However, by focusing at the municipal, or even hacienda level, scholars have begun to generate a more analytical view of 19th-century Puerto Rican slavery. It has been shown that slaves were critical for Puerto Rican planters during the period of rapid sugar expansion in the 1820s and 1830s, and continued as an important source of labor until abolition in 1873. Contrary to prior interpretations, the history of slavery in Puerto Rico differed little from that of the other sugar producing islands of the Caribbean


The Condor ◽  
10.1650/7672 ◽  
2005 ◽  
Vol 107 (2) ◽  
pp. 424 ◽  
Author(s):  
Thomas H. White ◽  
Jaime A. Collazo ◽  
Francisco J. Vilella

Genes ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 54 ◽  
Author(s):  
Sofiia Kolchanova ◽  
Sergei Kliver ◽  
Aleksei Komissarov ◽  
Pavel Dobrinin ◽  
Gaik Tamazian ◽  
...  

Islands have been used as model systems for studies of speciation and extinction since Darwin published his observations about finches found on the Galapagos. Amazon parrots inhabiting the Greater Antillean Islands represent a fascinating model of species diversification. Unfortunately, many of these birds are threatened as a result of human activity and some, like the Puerto Rican parrot, are now critically endangered. In this study we used a combination of de novo and reference-assisted assembly methods, integrating it with information obtained from related genomes to perform genome reconstruction of three amazon species. First, we used whole genome sequencing data to generate a new de novo genome assembly for the Puerto Rican parrot (Amazona vittata). We then improved the obtained assembly using transcriptome data from Amazona ventralis and used the resulting sequences as a reference to assemble the genomes Hispaniolan (A. ventralis) and Cuban (Amazona leucocephala) parrots. Finally, we, annotated genes and repetitive elements, estimated genome sizes and current levels of heterozygosity, built models of demographic history and provided interpretation of our findings in the context of parrot evolution in the Caribbean.


2017 ◽  
Vol 22 ◽  
pp. 25-44
Author(s):  
Kata Baditzné Pálvölgyi

The present investigation focuses on the intonation of unmarked Puerto Rican yes-no questions. Puerto Rico belongs to the Caribbean dialectal zone from an intonational point of view, hence this type of questions is accompanied by a final descendent melodic movement, which is untypical in the rest of the Spanish speaking world. By the help of 51 Puerto Rican utterances taken from spontaneous speech Youtube videos, we will examine if the characteristic falling pattern of this type of sentences is a circumflex one starting from the last accented syllable, or a rising one followed by a fall starting from the last accent. In addition, it is also our aim to determine the percentage of the final fall.


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