ACTIVITY DURING NATURAL HIBERNATION IN THREE SPECIES OF VESPERTILIONID BATSDAAN S.1973; NETHERL. J. ZOOL.; NETHERL.; DA. 1973; VOL. 23; NO 1; PP. 1-71; BIBL. 5 P.Serial Issue

CIRCADIAN RYTHMS OF LOCOMOTOR ACTIVITY IN CAPTIVE BIRDS AND MAMMALS: THEIR VARIATIONS WITH SEASON AND LATITUDEDAAN S; ASCHOFF J.1975; OECOLOGIA; ALLEM.; DA. 1975; VOL. 18; NO 4; PP. 269-316; BIBL. 3PArticle

A FUNCTIONAL ANALYSIS OF CIRCADIAN PACEMAKERS IN NOCTURNAL RODENTS. V. PACEMAKERS STRUCTURE: A CLOCK FOR ALL SCASONS.PITTENDRIGH CS; DAAN S.1976; J. COMP. PHYSIOL.; GERM.; DA. 1976; VOL. 106; NO 3; PP. 333-355; BIBL. 2 P.Article

TWO COUPLED OSCILLATORS: SIMULATIONS OF THE CIRCADIAN PACEMAKER IN MAMMALIAN ACTIVITY RHYTHMS.DAAN S; BERDE C.1978; J. THEOR. BIOL.; USA; DA. 1978; VOL. 70; NO 3; PP. 297-313; BIBL. 38 REF.Article

A FUNCTIONAL ANALYSIS OF CIRCADIAN PACEMAKERS IN NOCTURNAL RODENTS. IV. ENTRAINMENT: PACEMAKERS AS CLOCKPITTENDRIGH CS; DAAN S.1976; J. COMP. PHYSIOL.; GERM.; DA. 1976; VOL. 106; NO 3; PP. 291-331; BIBL. 33 REF.Article

ON THE TIMING OF FORAGING FLIGHTS BY OYSTERCATCHERS, HAEMATOPUS OSTRALEGUS, ON TIDAL MUDFLATSDAAN S; KOENE P.1981; NETH. J. SEA RES.; ISSN 0077-7579; NLD; DA. 1981; VOL. 15; NO 1; PP. 1-22; BIBL. 2 P.Article

A FUNCTIONAL ANALYSIS OF CIRCADIAN PACEMAKERS IN NOCTURNAL RODENTS. I. THE STABILITY AND LABILITY OF SPONTANEOUS FREQUENCY.PITTENDRIGH CS; DAAN S.1976; J. COMP. PHYSIOL.; GERM.; DA. 1976; VOL. 106; NO 3; PP. 233-252; BIBL. 1 P. 1/2Article

HUNTING IN THE KESTREL, FALCO TINNUNCULUS, AND THE ADAPTIVE SIGNIFICANCE OF DAILY HABITSRIJNSDORP A; DAAN S; DIJKSTRA C et al.1981; OECOLOGIA; ISSN 0029-8549; DEU; DA. 1981; VOL. 50; NO 3; PP. 391-406; BIBL. 36 REF.Article

INTERMITTENT GLIDING IN THE HUNTING FLIGHT OF THE KESTREL, FALCO TINNUNCULUS L.VIDELIER JJ; WEIHS D; DAAN S et al.1983; JOURNAL OF EXPERIMENTAL BIOLOGY; ISSN 0022-0949; GBR; DA. 1983; VOL. 102; PP. 1-12; BIBL. 20 REF.Article

Ambient temperature during torpor affects NREM sleep EEG during arousal episodes in hibernating European ground squirrelsSTRIJKSTRA, A. M; DAAN, S.Neuroscience letters. 1997, Vol 221, Num 2-3, pp 177-180, issn 0304-3940Article

Aggressive and sexual social stimuli do not phase shift the circadian temperature rhythm in ratsMEERLO, P; DAAN, S.Chronobiology international. 1998, Vol 15, Num 3, pp 231-240, issn 0742-0528Article

Human time perception in temporal isolation : Effects of illumination intensityASCHOFF, J; DAAN, S.Chronobiology international. 1997, Vol 14, Num 6, pp 585-596, issn 0742-0528Article

Dissimilarity of slow-wave activity enhancement by torpor and sleep deprivation in a hibernatorSTRIJKSTRA, A. M; DAAN, S.American journal of physiology. Regulatory, integrative and comparative physiology. 1998, Vol 44, Num 4, pp R1110-R1117, issn 0363-6119Article

Warming up for sleep ? : ground squirrels sleep during arousals from hibernationDAAN, S; BARNES, B. M; STRIJKSTRA, A. M et al.Neuroscience letters. 1991, Vol 128, Num 2, pp 265-268, issn 0304-3940Article

Seasonality of clutch size determination in the Kestrel Falco tinnunculus: an experimental approachBEUKEBOOM, L; DIJKSTRA, C; DAAN, S et al.Ornis Scandinavica. 1988, Vol 19, Num 1, pp 41-48, issn 0030-5693Article

Arrhythmic perch hopping and rhythmic feeding of starlings in constant light: separate circadian oscillators?GANSHIRT, G; DAAN, S; GERKEMA, M. P et al.Journal of comparative physiology. A, Sensory, neural, and behavioral physiology. 1984, Vol 154, Num 5, pp 669-674, issn 0340-7594Article

The energetic cost of feather synthesis is proportional to basal metabolic rateLINDSTRÖM, Å; VISSER, G. H; DAAN, S et al.Physiological zoology. 1993, Vol 66, Num 4, pp 490-510, issn 0031-935XArticle

Avian basal metabolic rates : their association with body composition and energy expenditure in natureDAAN, S; MASMAN, D; GROENEWOLD, A et al.American journal of physiology. Regulatory, integrative and comparative physiology. 1990, Vol 28, Num 2, pp R333-R340, issn 0363-6119Article

Daily energy expenditure of male and female marsh harrier nestlingsRIEDSTRA, B; DIJKSTRA, C; DAAN, S et al.The Auk. 1998, Vol 115, Num 3, pp 635-641, issn 0004-8038Article

Social stress induces high intensity sleep in ratsMEERLO, P; PRAGT, B. J; DAAN, S et al.Neuroscience letters. 1997, Vol 225, Num 1, pp 41-44, issn 0304-3940Article

Energy requirements for molt in the kestrel Falco tinnunculusDIETZ, M. W; DAAN, S; MASMAN, D et al.Physiological zoology. 1992, Vol 65, Num 6, pp 1217-1235, issn 0031-935XArticle

Foraging behavior and physiological changes in precocial quail chicks in response to low temperaturesKRIJGSVELD, K. L; VISSER, G. H; DAAN, S et al.Physiology & behavior. 2003, Vol 79, Num 2, pp 311-319, issn 0031-9384, 9 p.Article

Effect of photoperiod on body mass, and daily energy intake and energy expenditure in young ratsBOON, P; VISSER, H; DAAN, S et al.Physiology & behavior. 1997, Vol 62, Num 4, pp 913-919, issn 0031-9384Article

Increased daily work precipitates natural death in the kestrelDAAN, S; DEERENBERG, C; DIJKSTRA, C et al.Journal of animal ecology. 1996, Vol 65, Num 5, pp 539-544, issn 0021-8790Article

Adaptive seasonal variation in the sex ratio of kestrel broodsDIJKSTRA, C; DAAN, S; BUKER, J. B et al.Functional ecology. 1990, Vol 4, Num 2, pp 143-147, 5 p.Article