Seasonality and assemblages of non-passeriform waterbirds in várzea lakes on the lower Amazonas River, Santarém, Pará, Brazil
DANILO AUGUSTO ALMEIDA-SANTOS,
GIULIANNE S. FERREIRA,
EDSON V. LOPES
Abstract:Amazonian várzeas are annually flooded for at least five months, which influences the occurence of waterbirds. This study investigates the species richness and composition, and individual abundance of waterbird assemblages in 10 várzea lakes on the lower Amazon River across a seasonal cycle. A total of 7,970 birds belonging to 52 species were recorded. Of these, 25 species were present in all four phases of the cycle, 5 in three phases, 10 in two and 12 during just one phase. Families with the highest species … Show more
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