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BY NATHAN FOUNDATION · Tyler Duke campaign leader. Livro Ornitologia Brasileira Helmut Sick Pdf Download ->>->>->> Helmut Sick (10 January – 5 March ), was a German-Brazilian ornithologist. A prominent ornithologist in Brazil, Sick published more than papers, including his most influential work: Ornitologia Brasileira, Uma Introdução Print/export. Create a book · Download as PDF · Printable version. Heinrich Maximilian Friedrich Hellmuth Sick, más conocido como Helmut Sick ( Leipzig, 10 de En llegó a ser asistente del Departamento de Ornitología del Museo de Zoología de la Universidad de Sick, H. () Ornitologia brasileira, uma introdução. Crear un libro · Descargar como PDF · Versión para imprimir.

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11 out. livro ornitologia brasileira helmut sick pdf download. co, – Revista Brasileira de Ornitologia, 14 (2)). zelni (com .. junto com Helmut Sick, Augusto Ruschi e Dárdano de Andrade Li- lis Livro Ornitologia Brasileira Helmut Sick Pdf 29 >>> DOWNLOAD.. o Museu Paulista, reorganizado por uma lei de 29 de agosto de. Cego.

In addition, monthly samples of birds were held between May andApril IBI was calculated for all periods to determine their variations over time. The values of IBI ranged between poor and regular throughout the sample period. In the first two years, the results ranged from poor in 2. In 2. But in the index was 2. Four years after the last sampling, the area remained in the poor category in the year with an IBI of 2.

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Brasileira sick pdf helmut ornitologia

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Helmut Sick - Wikipedia, la enciclopedia libre

XIII, Lista preliminar das Angiospermas ocorrentes no Raso da Catarina e arredores, Bahia. Rodriguesia Geografia dos solos. Bolm Geogr. National Bureau of Standars Cisrcular , Washington. Paulo 9 24 Arqvos Zool. Paulo 9 9 Catalogue of birds in the British Museum XX: A zoogeographic Analysis of the South American Chaco avifauna. Notes on some brazilian birds. Alauda 47 1 Rio de J. Ornitologia Brasileira.

Teixaira, We compiled information on the distribution and abun- Juveniles, immature and non-breeding adults of Least and dance of the Least Tern in Brazil from the literature, specimens Yellow-billed Terns exhibit a rather similar plumage pattern, deposited in collections in Brazil and abroad, and our own field- but the Least Tern has a dark-colored bill, whereas the Yellow- work.

Information on relevant specimens i. Breeding individuals of both risches Museum Wien, Austria, and the Field Museum of Natu- species have only slight plumage differences, of which the ral History, Chicago, USA, was made available to us by the amount of black on the wing-tip appears to be a good, although curatorial staff see Acknowledgments. We also examined a not infallible, criterion to separate them. In the Least Terns, During a one year-period, from October to Septem- the bill is yellow with a dark tip in the breeding season, but in ber , a daily count during three consecutive days per month some individuals it is entirely yellow.

The area is the largest intertidal platform of this State.

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Only one and crown with variable black flecking. Breeding birds have a count was performed at the study area in April because black cap and nape with a well-defined white forehead area heavy rains made access to the site difficult and dangerous.

Goeldi, in his Wien E. Bauernfeind in litt. This appears to be the first indica- is a juvenile with mottled pale-brown feathering on the back tion of the species occurrence in Brazil.

Brasileira pdf sick ornitologia helmut

The next day, a male NMW 38, and a only cited the work of Goeldi, but also listed three specimens female NMW 70, , both in breeding plumage, were collected. Bauernfeind provided no further details as to the name of the collector of in litt. Snethlage, in association with his aunt, Emilie, conducted an Figure 1. North and northeast Brazil, showing localities where the Least Tern Sternula antillarum was reported and its abundance. Fedrizzi ornithological expedition through the northeast of Brazil.

Also notewor- and April E. Only Subsequent authors e.

Helmut Sick

North- i. However, this specimen, collected east trade winds blow from subtropical latitudes ca. Late in , the German of South America and the Caribbean.

Ac- Europe to the Americas, explaining their occurrence in the Bra- cording to J. Pacheco in litt. Thus it can be concluded that the above-mentioned refer to the Old World Little Tern rather than to the Least Tern, specimen from Angra dos Reis had actually been collected some- although in the lack of tangible evidence, the true identity of time before December From the late s to the present, singles or small groups Seasonal abundance at Cajuais Bank of Least Terns continued to be occasionally recorded, mainly Least Terns occurred at Cajuais Bank from October in September-October, along the coastline from the State of to April , and in September Bank Fig.

It is worth mentioning that ing plumage Fig.

Only very recently has this situation begun to change. For instance, another seabird long regarded to be a Nearctic migrant to the coast of northern Brazil, the Laughing Gull Leucophaeus atricilla Linnaeus, , was until the late s known in the country almost exclusively from twelve old specimens e.

From the literature and data presented in this study, it Figure 2. The shal- low tanks support a large biomass of brine shrimps Artemia sp. Supporting data were ber and summer December-January , not including observa- based on a few, old museum specimens.

REMSEN summarized the limi- are derived from specimens collected in the late 19th and early tations e. At Cajuais Bank, the species the non-federally listed Eastern population or from the Interior was present from September-April southern spring to early-fall , population.

Sick ornitologia brasileira pdf helmut

The assignment of Least Tern individuals to any but absent during May-August southern late-fall to late-win- population or subspecies on the basis of morphology is very ter.

Birds arrive at Cajuais bank in the spring, are very abundant The two USA birds recaptured in Brazil were banded in Florida there all through the summer, and leave the area from early-fall and near Boston, respectively OLMOS , indicating that they onwards.

Sick helmut pdf brasileira ornitologia

This pattern seems to be consistent with what would belonged to the Eastern population. However, the occurrence of be expected for migratory birds. Cajuais Bank are migrants from elsewhere. In the spring, almost all terns at Cajuais A partnership was established between local non-govern- Bank were already in non-breeding plumage, and with black bills.

By February, just a formal request was filed with the Brazilian Ministry of Envi- before most terns leave Cajuais Bank, they were all in full-breed- ronment to promote the creation of a large Marine Protected ing plumage and with dark tipped to yellow bills, thus appar- Area that would encompass critical coastal habitats as the Cajuais ently moulting a little earlier than reported in the literature tidal plain and its associated mangroves.

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CJC is currently supported by the Coorde- flats, but also from adjacent beaches and inland habitats e. In contrast, some E.

Bauernfeind NMW and D.