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These tubes of eggs were seen on the edge of boggy ground in the Bavarian Alps. The tube is about 2/3m long; individual eggs are about 5mm long by 3mm wide; 'wider clusters' then 'narrower clusters' along the length. Salamander?
The salamanders found in this area (the fire salamander and alpine salamander) don't lay eggs, but give birth to free-swimming larvae or fully developed young respectively. Newt species in this area lay eggs singly attached to water plants.
Mystery deepens as it was seen by a group of Masters students from Max Plankt Institute in Seewiesen (incl. my daughter) and Groeningen year group. Nobody could identify them.
I'm not sure these are amphibian eggs. They don't look like the eggs of any species you would expect to find in this area. But it can be hard to tell if they have been out of the water for any length of time.
Could they be from a large hare?
Lat/Lng: 47.6531, 11.4656