The early arrival of the dolphins can be attributed to rainfall from cyclone Nisarga that caused rainfall over the Chure range.
High elevation areas in Colorado received June snowfall.
In Alaska, pasque flowers are known to bloom in May, but increasingly warm temperatures may create conditions that lead to earlier bloom times.
Mother's Day will bring Arctic blasts, wintry conditions and records low temperatures for two-thirds of the US.
The first two arctic terns of the season were spotted in Southeast Iceland on Saturday morning, according to the Southeast Iceland Bird Observatory. Their arrival is two or three days earlier than usual. Bird enthusiasts across the country are following along with migratory species as they return to their breeding grounds in Iceland.
"It is unusual for bears with youngsters to wake up so early and it is difficult to say why these have come out. The bears may have been disturbed by humans or other animals."
There are currently fewer minke whales and more humpbacks in Icelandic waters than usual for the time of year, and some appear to be skipping the southward migration altogether.
Willows are budding early, following temperature swings of 40 to approximately -32 degrees Fahrenheit between February and March.
It's only late February but already spring has sprung in Stockholm, according to the definition by Sweden's national weather service.
The brown bears hibernated for only two months due to the warm winter conditions, according to zoo officials.
The cherry blossoms along the Aura riverbank are a huge draw for tourists and photo enthusiasts every year around mid-May. The city's head gardener said he was amazed by the sight of the flowers budding this time of year.
Flocks of whooper swans have been grazing in a field in southwestern Finland, although these swans don't typically return to Finland until March or April, according to Finland’s environment administration.
Badgers usually remain fast asleep until the end of February but, Siberia's mild winter caused a shorter hibernation period. On Monday, the temperature rose to 2 degrees Celsius. It was minus 24 C on the same day last year.
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