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AG Fledermäuse BUND Region Hannover
AG Fledermäuse BUND Region Hannover

Consequences of tree felling

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Message from a ncytalus noctula

Das Foto zeit eine durch Baumfällung verletzte Fledermaus mit Splittern im Gesicht // The photo shows a bat injured by tree felling with splinters on its face Durch Baumfällung verletzte Fledermaus mit Splittern im Gesicht // Bats injured by tree felling with splinters on the face  (Dr. Renate Keil / www.bund-fledermauszentrum-hannover.de )

At 1st October, it starts again - the tree fellings! Thousands of us will die. Our trees, where0 we sleep in, will fall and we fall with them, crushed, sawed, unjured. Some of us will only get hurt, we are fighting to get out of the fallen tree hole, trying to get away, but we will die, because it's winter, we have no chance. Whole families and groups are wiped out in one tree fell, but it will not touch you, because we are small and nobody hears our cries in the night ... " (The Bats Europe) Please help prevent this tragedy! Before any tree felling the trees must be carefully examined for holes and large cracks. All holes must be endoscopy to ensure that no bats are in them. This must be done immediately before the tree fell, as well as in winter, the animals change their quarters, so that an empty hole overnight can change into a occupied bat accommodation! – Take action for the protection of the habitats - tree holes should be preserved where ever possible as habitats. Thanks for your help! 

Late effect of a tree felling

Das Foto zeigt eine Große Abendseglerin, die durch Baumfällung schwer verletzt wurde und daher eine Totgeburt ihrer Babys erlitt. // The photo shows a female nyctalus noctula, who was severely injured by tree felling and therefore suffered a stillbirth of her babies. Durch Baumfällung verletzte Fledermaus erleidet Totgeburt // Bat injured by tree felling suffers stillbirth  (Gudrun Becker / www.bund-fledermauszentrum-hannover.de )

The seriously injured nyctalus noctulas, who came as victims of a tree felling to our station, have to sit in warm temperatures for their special medical treatment and could not continue their winter sleep in our station. Without the medical treatment they would die, so we had no choice between medical treatment or winter sleep. Due to this there is always the risk of premature birth of the babies, because most wild female nyctalus noctula are pregnant. At 03/12/2013 a female nyctalus noctula got two stillbirths. So a tree felling does not only hurt the generation now, it hurts the generation to come, too! Another female nyctalus noctula gave birth to 2 healthy babies yesterday. These babies can be released to the wild with a special method (see out reports in photo-album "information") later in spring. But they will have to be released without their Mom. The mother-bat is so seriously injured that it will take at least one year for her to recover and return back to the wild again.  

Dangerous Splinters

Das Foto zeigt einen schwer verletzten Großen Abendseglern mit Splittern im Körper nach Baumfällung // The photo shows a seriously injured nyctalus noctula with splinters in the body after tree felling Durch Baumfällung verletzte Fledermaus mit Splittern im Körper // Bats injured by tree felling with splinters in the body  (Dr. Renate Keil / www.bund-fledermauszentrum-hannover.de )

Bats who become victims of a tree felling must be regularly examined, as many injuries show later. For example splinters that are deep in the body move slowly to the surface and cause inflammation. These injuries must be treated, otherwise they could have fatal consequences for the bats. The animals need to recover totally before they can be released back to the wild.

Please note: The animals often seem to be healthy. Splinter injuries can be only clearly visible under a magnifying lamp, so we strongly advise you to examine every tree felling victim at a suitable location with very good lighting and magnifier lamp! 

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Mother's Day

Das Foto zeigt eine Große Abendseglerin, die bei einer Baumfällung verletzt wurde und daher eine Totgeburt erlitt // The photo shows a nyctalus noctula, who was injured during a tree felling and therefore suffered a stillbirth Durch Baumfällung verletzte Fledermaus erleidet Totgeburt // Bat injured by tree felling suffers stillbirth  (Gudrun Becker / www.bund-fledermauszentrum-hannover.de )

I would like to be a mother .... but people cut the tree where I had hibernated with my friends. We survivors were rescued and spent the rest of the winter in the bat station of the BUND Hannover Region. I was saved, too. My injuries were severe and I had to be in warm treatment rooms. There I wanted to give birth to my two babies, but both were dead. I would have loved to have be a loving mother for them, but people have destroyed everything by cutting the tree. I know that we bats are small and inconspicuous, but we are still there and we want to live, just like you, please pay attention to bats, bevor you cut a tree.

It is not just a tree felling

Das Foto zeigt gefällte Bäume im Bella Vista Weg Hannover. // The photo shows felled trees in Bella Vista way Hannover Gefällte Bäume im Bella Vista Weg Hannover // Felled trees in Bella Vista way Hannover  (Gudrun Becker / www.bund-fledermauszentrum-hannover.de )

It’s not just a tree felling, which itself is bad enough. If it is a tree where bats have their winter quarters, it has unfortunately happened many times before, that the trees were cut down including the bats inside the tree holes. Bats can not fly away like birds. Bats lower their body temperature during sleeping. Until they have warmed up their body back on normal temperature, it takes about 20 minutes. When a tree is cut and comes down, the animals have no chance to escape the deadly crash. The animals which survive are often seriously injured: broken bones, wing injuries, splinter deep in the body ... If no medical help is quickly there, the helpless animals die slowly and painfully. Emergency medical assistance requires that the company executing the tree felling, informs the regional advisor for bats immediately, then immediately a group of helpers and veterinarians can take care of the animals. The animals must be fed until recovery and they have to get flight training to get fit again. After recovery they have to be brought back to the location where they were found to be released back to the wild. (if it is not still winter, then the animals have to stay in the bat station to wait for spring so that they can look for new quarters – if available…). If the animals are back in the wild again, they didn’t only loose their quarter (of which there are less and less ...), but also their group-members. Bats are highly social animals and in working with injured animals, we can see again and again how the animals are chummy with each other. There are definitely friendships among individual animals and small groups in a large group. We even watched some bats grieving after group-members passed away. Here I can quote Noka: "As long as people think that animals do not feel, animals must feel that people do not think." I just wanted to give a brief look into the world of bats and show how important it is to maintain the old trees. - And this is only one aspect of "bats" – when a tree is cut, there are also owls, woodpeckers, insects and so on. An old tree is not just a tree, but a habitat for many animal species! 

Tree felling victims:

„The future should not be foreseen but made possible.“ (Antoine de Saint-Exupery)  

Das Foto zeigt eine Kleinabendseglerin mit dem Text Ich bin ein Wesen der Nacht. Hast du je an mich gedacht? Ich bin klein und unscheinbar, und bin doch so wunderbar. Kleinabendsegler Nyctalus leisleri  (Gudrun Becker / www-bund-fledermauszentrum-hannover.de )
Das Foto zeigt das Logo AG Fledermäuse BUND Region Hannover ein grüner Kreis im schwarzen Ring. der grüne Kreis ist die Erde und der Ring der Schutz des BUND für Umwelt und Naturschutz Deutschland Logo AG Fledermäuse BUND Region Hannover  (Carina Bach / www.bund-fledermauszentrum-hannover.de )
Das Foto zeigt einen Großer Abendsegler Nyctalus noctula im Porträt // The photo shows a nyctalus noctula in profile Großer Abendsegler Nyctalus noctula  (Gudrun Becker / www-bund-fledermauszentrum-hannover.de )

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