Table 2.
Parameters depicting the huddling behaviour for each member of a pair (F, female; M, male) and related statistics for the four pairs (P1, P2, P3 and P4). (Means±s.e.m. (n). Temperature under curve area (Tuca) in product of temperature and time (°C.s); maximal temperature (Tmax) in °C; mean temperature (Tmean) in °C; number of huddling bouts per day (H d−1); percentage of huddling bouts per day (%H d−1); and huddling bout duration (Hdur) in hours and minutes.)
| P1 | P2 | P3 | P4 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Tuca | F | 5.1±0.4 (122) | U=15604 p=0.53 | 4.7±0.5 (130) | U=18260 p=0.70 | 5.1±0.5 (108) | U=11422 p=0.45 | 4.9±0.6 (81) | U=6577 p=0.83 |
| M | 4.8±0.4 (127) | 4.6±0.4 (146) | 5.5±0.5 (109) | 5.2±0.6 (82) | |||||
| Tmax | F | 21.2±1.1 (122) | U=15905 p=0.25 | 21.3±1.0 (130) | U=18458 p=0.50 | 22.9±1.1 (108) | U=11862 p=0.85 | 22.4±10.7 (81) | U=6668 p=0.90 |
| M | 19.7±1.0 (127) | 20.3±1.0 (146) | 22.6±0.9 (109) | 21.7±11.8 (82) | |||||
| Tmean | F | 11.8±0.9 (122) | U=15664 p=0.47 | 11.5±0.9 (130) | U=17990 p=0.98 | 13.2±1.0 (108) | U=12082 p=0.50 | 12.3±1.1 (81) | U=766 p=0.61 |
| M | 10.7±0.8 (127) | 11.4±0.8 (146) | 12.5±0.9 (109) | 12.2±1.1 (82) | |||||
| H d−1 | F | 4.9±0.4 (25) | t=−0.30 p=0.77 | 4.6±0.5 (28) | t=−0.84 p=0.40 | 4.7±0.4 (23) | t=−0.07 p=0.95 | 5.8±0.8 (14) | t=−0.06 p=0.95 |
| M | 5.1±0.5 (25) | 5.2±0.5 (28) | 4.7±0.5 (23) | 5.9±0.8 (14) | |||||
| %H d−1 | F | 38.1±2.7 (25) | t=−0.12 p=0.91 | 33.5±3.2 (28) | t=0.05 p=0.96 | 35.5±3.8 (23) | t=−0.19 p=0.85 | 43.6±3.6 (14) | t=−0.46 p=0.65 |
| M | 38.6±3.0 (25) | 36.4±3.4 (28) | 36.6±3.8 (23) | 46.0±3.7 (14) | |||||
| Hdur | F | 1 h 53 min±0 h 08 min (122) | U=1553 p=0.60 | 1 h 44 min±0 h 08 min (130) | U=18292 p=0.67 | 1 h 49 min±0 h 08 min (108) | U=11691 p=0.86 | 1 h 49 min±0 h 10 min (81) | U=6581 p=0.84 |
| M | 1 h 50 min±0 h 08 min (127) | 1 h 40 min±0 h 07 min (146) | 1 h 51 min±0 h 08 min (109) | 1 h 53 min±0 h 10 min (82) |