Local fire chief Clas Tallberg stated that fish washed up on Hanko's shore showed injuries suggesting they were crushed by a fishing trawler's net, leading to a mass die-off of brisling sardines. Meanwhile, volunteers are cleaning up white clumps on the beach believed to be vessel wash water.
Finnish fuel firm Neste confirmed that white clumps on Hanko's shore likely resulted from wash water containing used oils from one of its vessels, prompting cleanup efforts and an ongoing investigation.
The H5N8 virus was detected in sick and injured birds in February and early March this year, including in a swan found dead in Helsinki's Eläintarhanlahti park and a goshawk sent to Korkeasaari Wildlife Hospital from Kumpula. Several birds infected with avian influenza have been found in Uusimaa this winter.
Ascension Thursday, a Finnish holiday, was unforgettable for Keeri Sjöblom, 13, who lives in Kimitoön, a maritime municipality in southwest Finland.
Various species can be spotted in different parts of the country till early October due to warm weather in the south.
The Finnish researcher says the source of southern Finland's unusually slippery roads and messy snow this winter is very likely due to warm air from the sea.