Winter ecology course 2003 Mammals and birds

1
Winter ecology course 2003Mammals and birds
Reetta Nummela Rex Leighty Tanja Honkasaari Teija
Pesiö Torsten Tritscher
Alexander Salz Katri Partanen Liisa Virta Mirva
Ikonen Pia Rännänen
2
Introduction Birds
Willow Tit (Parus montanus)
Great Tit (Parus major)
Crested Tit (Parus cristatus)
3
Results Birds

• Many Parus montanus, only few Parus major
• Catches from three habits, but four were
  monitored
• Weight and fat index are about the same as
  previous years

4
Results Birds
The total amount of birds captured and mean
temperature during Winter course week in years
1995-2003

• Total amount of caught birds is about an avarage
• Different factors can be reasons for the change
  of the amount

5
Results Birds
6
Introduction Hazel hen
Bonasa bonasia Order Galliformes Habitat closed
mixed coniferous forest with underground
vegetation Food Mostly vegetarian, sometimes
insects Methods 1.Counting Tracks
2.Estimation frequency (own formula)
7
Results
Not perfect, but some interesting results Has
winter habitat in spruce and birch forests Hazel
Hen does not like walking in new fallen snow
8
Results
9
RESULTS
10
(No Transcript)
11
RESULTS