March 2017

Roe deer and traffic in Estonia

Avapilt
Sisu

Among the large game animals the roe deer is the most frequent victim in traffic in Estonia. Car drivers should be particularly attentive in the Tiskre area and around the Jägala river bridge where a road with dense traffic and a traditional roe deer path coincide.
Photo: Tarmo Mikussaar

Although Estonia has more nature and a smaller population density in comparison to other European countries people still will not keep in one place but move around. Neither do the wild animals stay in one place but wander around, among them the roe deer, among the most numerous in Estonia. They move between summer and winter areas, in search of food, in the heat period, and on widening their habitats as well as on becoming independent. So the paths of roe deer and humans cross quite often and when a human with a motor vehicle and a roe deer on foot meet it is clear that due to the different speeds someone will obviously be hurt.

Tawny owl webcam 2017

Introduction  Renno Nellis
Transmission courtesy of  TELE2 and  EENet
Translation Liis

The tawny owl was elected by the Estonian Ornithological Society as Bird of the Year in 2009. From that time we have followed the nesting of a tawny owl pair in Lääne County – Klaus and Klaara. We are not convinced however that we still have to do with the same Klaus and Klaara, because by exterior characteristics it is not possible to distinguish between birds from different years. The average lifetime of a tawny owl is 5 years but the oldest tawny owl living in nature reached an age of 18 years.

Interim report on seal pup count

Image captured by IceAge, LK forum
Translation Liis

Seal counters arrive

 

Grey seal         Hallhüljes       Halichoerus grypus

 

The weather was ideal for observations, southerly wind  4m/s, air temperature +2 degrees and water temperature one degree lower.

The result of the census today (March 1st) was 53 grey seal pups and some stillborns.

Eight pups came to show themselves in camera view today. The peak pupping period is in about a week.

Blue tits clearly more stationary in urban surroundings than great tits

Editor of science news from the Year of the Great Tit Marko Mägimarko.magi@ut.ee , bird ecology researcher at University of Tartu

Photo Uku Paal

Translation Liis

Cities attract birds and other animals particularly in winter because the heat leaking from buildings warms the environment and helps animals to save energy. In addition many bird species find easy ”mouthfuls” on these islands of warmth from food waste left by careless humans but also from food tables meant for birds. The concentration of great tits in cities, already at the autumn migration and particularly abundantly in the winter season, is confirmed by many scientific observations. In northern Finland and Sweden great tits manage to survive the winter only thanks to human activities – the birds gather in communities where they spend the whole long dark winter and only leave from there for the breeding areas when spring arrives.

Owl webcam preparations

Video recorded by Urmas Lett

 

 

Tawny owl      Kodukakk       Strix aluco

 

Yesterday, Friday, March 3, Renno got the webcam in place and by evening the connection worked too.

In the video we see Klara’s first visit to the nest tree trunk: at 9 o’clock pm the owls could be heard hooting. The brief visit to the nest trunk was two hours later; around midnight the owl pair was again busy near the nest …

Tomorrow  we can hopefully open the owl webcam page.

Seals giving birth should not be disturbed

Estonian Environmental Board informs

Photos Roland Müür

Translation Liis

Small grey seal resting on Pärnu bay ice

 

Disturbing seals may be dangerous for the young seals as well as for humans since female seals may attack the intruder to defend their offspring.

Two of the three seal species in the Baltic are native to Estonia: the grey seal and the ringed seal. Sometimes, but rarely, the harbour seal may also visit here; its habitats are in the southern part of the Baltic, around southern Sweden and in the Danish straits. In spring the Estonian seals moult, sitting on rocks; in summer however they swim in the sea to collect a sufficient fat layer for winter and prepare for the giving of birth to their offspring in winter..

Winter ice vital for ringed seals

Photo  Bert Rähniwww.360.ee

Ice map from Estonian Weather Service

Ringed seal pup on Väinameri (Straits Sea) ice

 

Ringed seal    Viigerhüljes or viiger        Pusa hispida

 

We were lucky to see a solitary ringed seal last autumn in the grey seal monitoring camera when it spent some time in the grey seal haulout. Sometimes they move together.

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