2007
DOI: 10.1590/s0101-81752007000300002
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Deposição diária e sazonal de gordura subcutânea em Phacellodomus rufifrons (Wied) (Aves, Furnariidae)

Abstract: Aves que habitam regiões temperadas acumulam gordura a fim de sobreviver às condições extremas da noite. Níveis de deposição de gordura nessas aves aumentam ao longo do dia e atingem um pico no entardecer e diminuem ao longo da noite, quando a alimentação não é possível. Aliado a isso, existe o aumento estacional dos depósitos de lipídeos assim que o inverno se aproxima, e permite que a ave sobreviva naquela estação. Pouco se conhece sobre esses padrões em aves tropicais. O presente trabalho verifica a dinâmic… Show more

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Cited by 4 publications
(2 citation statements)
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“…Serra do Cipó experiences little variation in annual and monthly temperatures (Madeira and Fernandes 1999), but a high degree of daily temperature variation reaching up to 20 o C in winter (Goulart and Rodrigues 2007). Typical conditions at AP are cold and windy at night and hot by midday.…”
Section: Introductionmentioning
confidence: 99%
“…Serra do Cipó experiences little variation in annual and monthly temperatures (Madeira and Fernandes 1999), but a high degree of daily temperature variation reaching up to 20 o C in winter (Goulart and Rodrigues 2007). Typical conditions at AP are cold and windy at night and hot by midday.…”
Section: Introductionmentioning
confidence: 99%
“…However, the ketone concentration presented no correlation with BCI, indicating that the individuals were well fed. Moreover, the body mass of tropical passerines tends to be constant in normal conditions due to the regular food availability (GOuLart & rOdriGueS 2007, maChadO-FiLhO et al 2010, COx & CreSSWeLL 2014, while glucose concentrations can change rapidly over a short period of time (beuChat & ChOnG 1998). We presume that, even though the correlation was significant, glucose is not a predictor of body condition in these individuals, since they did not use their fat reserve.…”
Section: Discussionmentioning
confidence: 99%