SVT Nyheter Västerbotten has read the Swedish Transport Administration's internal statistics for animals hit by the train during the period 2012-2020.
Here, the eagle collisions stand out with 618 reported collisions - probably more in reality.
- The statistics are minimum figures, that is the least it can be.
I do not think that everything will be reported, says Anders Sjölund, national coordinator for natural and cultural environment issues at the Swedish Transport Administration.
The eagles have now learned to look for food along the railway and when they find a carcass, they eat so full that they do not have time to move when the train arrives.
"Extremely high numbers"
At SLU (Swedish University of Agricultural Sciences) in Umeå, a research project on golden eagles is being conducted.
Navinder Singh, associate professor and professor, is responsible for the project and reacts strongly to the figures from the Swedish Transport Administration.
- 618 eagles are extremely high numbers.
It affects the size of the population.
But we do not know if more young or adult birds will be hit.
If more adults die than young people, the population can crash quickly.
The carcasses along the rails should actually be removed as soon as possible.
Depending on the area, it should take place within one to twelve hours.
- I can understand that it can take a few days sometimes, but they remain for weeks and months, says ornithologist PO Nilsson who is responsible for part of the golden eagle inventory in Västerbotten.
"The chain has not worked"
Anders Sjölund says that if the carcasses were to be moved faster, it would reduce the number of eagles killed considerably.
- We have a high ambition, but then it is a long way from that ambition to what happens in reality.
There are many steps that should work.
Outside Umeå, the carcasses remained for almost three months?
- If it is the case that the moose have remained for so long, the chain has not worked as intended, so we will have to look at that.
We will review these routines again, we have not really made it work.
With regard to the railway, he believes that it is mainly a matter of fencing in and directing the animals to safe passages in order to reduce the number of direct collisions on the rails.