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California Public Health Officer warns: eating wild mushrooms can cause serious illness and even death. Mushroom collectors sometimes overestimate their ability to distinguish deadly mushrooms from edible mushrooms, with potentially tragic results. Learn more.
The coastal waters of California and Oregon, an upwelling zone, is home to huge populations of marine mammals, seabirds, and fish - some of which don't live anywhere else in the world.
Recommended: Video
11-part series shot in high-definition displaying Earth's natural wonders. Amazing visuals, good information, with a great soundtrack. BBC Nature Vid...
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Trivia
Enjoy your Parks
The parks, open space preserves and wilderness areas that we enjoy result from concerted public efforts and funds to procure the lands and leave a little un'developed' greenery that has developed over thousands of years!
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Outdoors Tips
Whether you are just starting out or have been enjoying the outdoors for a while, you can always pick up some useful tips and info that will enhance your outdoors experience (and safety as well.)
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Support the Parks!
The forested regions and watersheds around the San Francisco Bay Area are home to 74 endangered species! Also the parks & open spaces provide a sanctuary for cleaner air and water.
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Got Gear?!
You can make your trip more enjoyable & safer - with the right accessories & gear! Find personally reviewed choices that offer good performance, quality, & value in our Resources section.
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Be ACTIVELY engaged!
You can easily connect with other enthusiasts at Active-Days! Send Messages, post Comments, Photos, RSVP's. Create your Favorites list, Event Reports. Post Discussion & Announcement items. Try it out!
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Get to know the Oak Trees!
8 species of tree oaks cover about 10% of California, providing shelter & food for a vast array of wildlife - vertebrates (over 300) & insects (~ 5000)! Here's an easy pictorial guide!
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Oak Lichen Ramalina!
Often confused with Spanish Moss or Witch's Hair, the wisps hanging from Oak & other trees are actually Lace Lichen or Ramalina menziesii, a combination of fungus and algae. It's not a parasite or a moss!
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Sluggish Banana Slugs
Banana slugs are the largest slug in N. America growing up to 10 inches long! They contain both male & female reproductive organs - but they cannot fertilize their own eggs and need a mate.
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California Chaparral
California Chaparral & Woodlands ecoregion is 1 of only 5 Mediterranean shrublands and woodlands of its kind, which together support 20 percent of the plant species on Earth - and a variety of birds and insects.
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California Current
The coastal waters of California and Oregon, an upwelling zone, is home to huge populations of marine mammals, seabirds, and fish - some of which don't live anywhere else in the world.
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Local Rainforests
N. California, Washington and Oregon, have temperate rainforests along the coast. They are globally unique harboring a variety of natural communities, including Redwood groves, Douglas-fir-tanoak forests oak woodlands, closed-cone pine forests.
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Old Growth Redwoods
Only 4% of the original extent of virgin redwood forests remain, & 97.5% of this is NOT protected. Most of it in the Headwaters Forest area, are under imminent threat of cutting by Pacific Lumber. Help protect these invaluable treasures!
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Magical Redwoods
These spectacular conifers are among the biggest, tallest, and oldest trees in the world, often exceeding 200 ft (more than 369 ft in some individuals) in height, 15 ft in diameter, and 2,200 years in age. Redwood groves have the greatest biomass accumulation known for any terrestrial ecosystem - harboring a wide variety of wildlife.
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Terrestrial Ecoregions
It's very interesting to view the world in terms of 867 land-based ecoregions across the globe - instead of arbitrary political boundaries. These areas are distinguished by ecological features, climate, plant & animal communities.
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Sharp Acorn Woodpeckers
Have you seen a tree with rows of holes drilled into the bark? You were looking at an Acorn Woodpecker's food locker! The birds chip out holes in the wood with their bills and pound an acorn into each one.
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Romantic Giants - Humpback Whales
Humpback whales sing long, complex "songs" that last 10-20 minutes. The song is repeated continuously for hours at a time, and it changes gradually from year to year. Singing whales are males, and the songs may be a part of mating behavior.
