Individual variations of daily activity patterns in radiotracked European hares during winter

• Autorzy: Pepin D. , Cargnelutti B.
• Języki publikacji: EN

Abstrakty

EN

Daily movements during winter of 2 adult male (Nos 1 and 3) and 2 adult female (Nos 2 and 4) radiotracking hares Lepus europaeus Pallas, 1778 were estimated from simultaneous bearings using a 50 x 50 m grid. As deduced every 4 h both from the average rate of recorded changes of squares on the grid, and from the average distance travelled, we found that the hares had a typically nocturnal locomotor activity pattern. However, when comparing individual data, we found that significant variations oc­curred from 12.00 to 15.59, and between 00.00 and 07.59. We also estimated that the average daily activity of the hares started near sunset (mean = 23 min after sunset, range + 110 min), and ended near sunrise (mean = 14 min before sunrise, range ± 60 min), male No 1 usually spending more time in activity than the 3 other specimens, Finally, we assessed the differences in nocturnal distance travelled between indi­viduals (Nos 2, 3, and 4) for a given period (during week 6, mean = 3.91 km, range 6.02-2.62), and also during several nights (during weeks 6, 8, 10 and 12) for male No 3. We concluded that some inter- and intra-individual variations of activity patterns occurred on various time scales (day-to-day or during a given night), such differences probably contributing to confuse predators.

Słowa kluczowe

EN

Lepus europaeus; individual variation; radiotracking; winter; activity pattern; France; European hare; hare

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 1994
• Tom: 39
• Numer: 4
• Opis fizyczny: p.399-409,fig.

Twórcy

autor

Pepin D.

• INRA BP 27, 31326 Castanet-Tolosan cedex, FRANCE

autor

Cargnelutti B.

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