How to Recognize Spiders By their Webs - Bay Nature Magazine
网页2015年9月29日 · Illustration by Rachel Diaz-Bastin. Orb webs are the classic, wheel-shaped webs that have inspired everyone from engineers to poets to, well, designers of computer networks. They are primarily associated with their namesake, the family Araneidae, commonly known as the orb-weaver spiders, and have …
ENature.com Website Launch
网页2002年4月1日 · Share This: If you haven’t checked out eNature.com, now’s the time. The website has been acquired by the National Wildlife Federation and offers a tremendous resource and tools for exploring Bay Area nature. Local-Guides on the site provide you with a zip-code-based photographic primer on the wildlife common in any area, including birds ...
The Celebrated Joaquín Murieta - Bay Nature
网页2021年9月22日 · Joaquín Murieta, an 1868 painting by California painter Charles Christian Nahl.(Photo public domain / Wikimedia Commons) As a boy, ecological consultant Heath Bartosh’s grandmother would tell him stories of Joaquín El Famoso, the “Mexican Robin Hood,” whose buried gold might still be found in the spurs of the inner coast range framing the rural Ventura County towns where Bartosh grew up.
These beavers know the way to San Jose - Bay Nature
网页2013年6月3日 · Roger Castillo, a San Jose salmon advocate, discovered the beavers in early March when he saw freshly chewed trees along the riverbank. It didn’t take long before wildlife photographer Greg Kerekes got involved and started filming the newly arrived beaver family — a pregnant female and two yearlings — using infrared cameras at night.
Dutchman’s Pipe is the Only Pipevine Native to California - Bay …
网页2020年1月6日 · California Dutchman’s pipe, Aristolochia californica, is the only pipevine native to the state; it grows in northern and central California. The other 500 or so members of the Aristolochia genus also produce blossoms with wild-looking traits, including psychedelic spots, glam-rock fur, and a mellow lemon yellow hue.
Black Bears Buck the Trend, Thrive in California - Bay Nature
网页2010年10月6日 · Grizzly and black bear territory overlapped in the forests of Northern California, down along the eastern length of the state, and into the Tehachapi Mountains of southern California, according to historical accounts. But grizzlies occupied the lowlands, including most of the Bay Area. According to California Grizzly, often sited as the most ...
The Enduring Mystery of Oak Tree "Mast" Years - Bay Nature
网页2022年7月5日 · Figure 1. The mean acorn crop of valley oak at Hastings Reservation (mean number of acorns counted per 30 second visual survey), 1980-2021; dashed lines divide years into those where the crop was <25% and >75% of the maximum acorn crop. Divided like this, only 3 of 42 years were “mast” years, while 16 were “medium” and 23 were “poor ...
What’s It Like Inside a Woodrat Nest? - Bay Nature
网页2021年1月3日 · Woodrats, pack rats, and trade rats are all common names for the same remarkable rodent genus, Neotoma.Our local species, the dusky-footed woodrat (Neotoma fuscipes), has a nice multicolor coat—unlike the nasty nonnative Norway and black rats, all too common in urban areas.It’s also extremely cute, with big Mickey Mouse ears and a lovely, lightly fuzzy tail.
The Living Drill Bits That Grind Holes in Beach Rocks
网页2022年10月10日 · The siphons suck oxygen- rich water into the clam’s body, where it sloshes over its gills and into the stomach. There, the tastiest morsels of plankton filter in and the siphons spit out the extra water. Burrowing through even the softest rocks takes time. The clams toil away, deepening and expanding the …
Call of the Galls - Bay Nature
网页2009年7月1日 · A small, isolated stand of Palmer’s oaks grows on a ridge at Vasco Caves Regional Preserve in southeastern Contra Costa County. Blue oaks are the real stars of this gallant parade of gall wasps. They support the largest number of known species (41) as well as the most bizarre designs and color combinations of any oak galls.
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