crepuscular


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crepuscular

(krē-pŭs′kū-lăr) [L. crepusculum, twilight]
Pert. to twilight; used to describe a twilight mental state.

crepuscular

pertaining to organisms which are active in the twilight hours.
References in periodicals archive ?
To investigate whether the released giant pandas showed a crepuscular or a diurnal active pattern, we tested whether the diurnal index and crepuscular index significantly differed from 0 with a t-test at an interval of 10 days.
paca in the study area is in line with that reported by other studies (Donadio et al., 2001; Gomez et al., 2005; Michalski and Norris, 2011; Blake et al., 2012; Kasper et al., 2012b; Huck et al., 2013), although Perez (1992) had suggested a crepuscular habit for the species.
The predator's crepuscular activity pattern, comprising 25% of registers, showed a higher activity between 06:00-08:00.
The sharp 12-h peak might represent the crepuscular pattern described previously.
Dasyprocta punctata es una especie diurna (75.6% de registros obtenidos entre las 8:00 y las 17:59 hs) en el pedemonte, pero con una actividad crepuscular apreciable (casi 18% de los registros).
The crepuscular index for armadillos was the highest of the three indices, at 39.49 OPH at the beginning of the study, and stayed consistent before dropping to 0.00 OPH in week 9 (Fig.
254), se equipara este sustrato antropologico y social del mundo crepuscular en que vivimos con "los espiritus del aire, unos personajes mitologicos que, atribuidos a la imaginacion de Paracelso, han recibido especial atencion en poesia y musica como imagenes de la eterea belleza y las mas sublimes e inaccesibles pasiones" (p.
Median total scent emission was somewhat similar across all five time periods studied, with peaks during crepuscular periods and in midmorning (1000-1200; Fig.
Biologists know that deer are crepuscular, meaning that they move and feed primarily at low light (dawn and dusk).
Also, the once crepuscular red fox shows a preference for nocturnal hunting with presence occurring between 8 pm and 4 am (p-value = 0.0001).