The closures of the campgrounds, facing the threat of falling trees, likely will last through summer, the state parks division said.

Early mosquito sighting in NWT.

People are being warned not to touch the creatures, which are most often found in oak trees -- and to keep pets away from them, too.

There is a spruce beetle outbreak in Southcentral Alaska. Since the beetles don't emerge for a few weeks, we might as well start thinking about the problem.

Invasive species are a more important issue as increasingly warm winters and wetter summers help grasslands and forests in the North grow like never before, changing the very fabric of the North’s ecosystem.

Very early for a hummingbird, especially in a non-urban area without feeders.

The Jackson County Medical Examiner has sent samples for testing to the Missouri Department of Health after a possible West Nile death. If confirmed it would be the earliest West Nile fatality in a calendar year in Missouri history.

Hordes of tent caterpillars have covered Tammi Hanowski's home south of Saskatoon and have crawled up the walls and made their way into her pool.

In New England where ticks have decimated moose, the average tick load is 40,000, and some have been found with 90,000.

Last year there was a large infestation of caterpillars in the area, wondering if that is why we have all the moths this spring

Early butterfly observed south of the Kaiyuh Mountains along the west bank of the Yukon River.

Spring is approaching but it still seems too cold for this little guy.

A bright little unknown beetle in the middle of my kitchen.

A big emphasis in the last few years has been updating and adding to the list of species known to occur in the Yukon. This past year, a whopping 1,973 species of plants, insects and animals have been added.

Unusual weevil (Curculionoidea)

Spruce Aphid (Elatobium abietinum) Damage

Large Old World Swallowtail Butterfly