Scientists have long been trying to understand why the Neotropical region holds the highest diversity of birds on Earth. Recently, there has been increased interest in morphological variation between and within species, and in how climate, topography, and anthropogenic pressures may explain and affect phenotypic variation. Because morphological data are not always available for many species at the local or regional scale, we are limited in our understanding of intra‐ and interspecies spatial morphological variation. Here, we present the ATLANTIC BIRD TRAITS, a data set that includes measurements of up to 44 morphological traits in 67,197 bird records from 2,790 populations distributed throughout the Atlantic forests of South America. This data set comprises information, compiled over two centuries (1820–2018), for 711 bird species, which represent 80% of all known bird diversity in the Atlantic Forest. Among the most commonly reported traits are sex (n = 65,717), age (n = 63,852), body mass (n = 58,768), flight molt presence (n = 44,941), molt presence (n = 44,847), body molt presence (n = 44,606), tail length (n = 43,005), reproductive stage (n = 42,588), bill length (n = 37,409), body length (n = 28,394), right wing length (n = 21,950), tarsus length (n = 20,342), and wing length (n = 18,071). The most frequently recorded species are Chiroxiphia caudata (n = 1,837), Turdus albicollis (n = 1,658), Trichothraupis melanops (n = 1,468), Turdus leucomelas (n = 1,436), and Basileuterus culicivorus (n = 1,384). The species recorded in the greatest number of sampling localities are Basileuterus culicivorus (n = 243), Trichothraupis melanops (n = 242), Chiroxiphia caudata (n = 210), Platyrinchus mystaceus (n = 208), and Turdus rufiventris (n = 191). ATLANTIC BIRD TRAITS (ABT) is the most comprehensive data set on measurements of bird morphological traits found in a biodiversity hotspot; it provides data for basic and applied research at multiple scales, from individual to community, and from the local to the macroecological perspectives. No copyright or proprietary restrictions are associated with the use of this data set. Please cite this data paper when the data are used in publications or teaching and educational activities.
A observação de aves ou birdwatching é uma atividade pouco executada no Brasil e envolve registros visuais ou auditivos de aves. Em Unidades de Conservação pode servir como ferramenta para educação e conscientização ambiental além de atrair turistas. Esse estudo tem por objetivo avaliar o potencial de implantação de birdwatching no Parque Natural Municipal do Atalaia (PNMA) em Itajaí – SC. O levantamento das espécies de aves ocorrentes no Parque foi adquirido a partir de trabalhos acadêmicos, guia de aves do Parque do Atalaia, site WikiAves e através dos registros de um praticante local de birdwatching. Foram aplicados questionários semi estruturados aos visitantes e questionários não estruturados aos funcionários para avaliar a estrutura e possibilidade de implantação da atividade. Foram registradas 145 espécies de aves pertencentes a 43 famílias no PNMA, sendo Thraupidae a família mais representativa, com 24 exemplares. Dos 50 visitantes entrevistados, 85% possuem interesse na atividade de observação de aves. A estrutura do Parque apresenta-se adequada para a prática, com possibilidade de passeios com guias especializados, presença de mirantes e boa sinalização. Existe interesse tanto do público quanto dos funcionários na implantação da atividade de birdwatching no local, entretanto, é necessário adequar-se aos horários da prática e realizar melhorias no acesso ao Parque. Contudo, os gastos com infraestrutura serão ínfimos frente às possibilidades de retorno econômico e trabalho advindos do aumento de circulação de turistas birders na região.
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