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Don’t feed the bears! But birds OK, new Tahoe research shows

RENO, Nev. (AP) — Don’t feed the bears! Wildlife biologists and forest rangers have preached the mantra for nearly a century at national parks like Yellowstone and Yosemite, and for decades in areas where urban development increasingly invaded native wildlife habitat. But don’t feed the birds? That may be a different story — at least for one bird species at Lake Tahoe. Snowshoe and cross-country ski enthusiasts routinely feed the tiny mountain chickadees high above the north shore of the alpine lake on the California-Nevada border. The black-capped birds of Chickadee Ridge ...

Tree seedlings, fruit trees available in Centre County

BELLEFONTE — With spring just around the corner, the Centre County Conservation District is now accepting orders for the annual Tree Seedling Sale. Proceeds from the sale are utilized to sponsor environmental education programs, including the annual Centre County Envirothon. Seedling varieties include: Norway Spruce, Serbian Spruce, Austrian Pine, Eastern White Pine, Hornbeam (Ironwood), Persimmon, Spicebush and Sweet Gum. Trees are sold in bundles of 10 bare-rooted seedlings. Fruit tree varieties include: Apple Tree Package: Freedom and Liberty (one of each for pollination); ...

Spotted Lanternfly experts share what research has uncovered about the pest

UNIVERSITY PARK — Since the Spotted Lanternfly’s unwelcome arrival in Berks County, Pa. in 2014, researchers have been working tirelessly to learn more about the invasive pest, now confirmed in 45 Pennsylvania counties and reported in surrounding states. “Native to Asia, the Spotted ...

Penn State Forest hydrologist receives prestigious award for career-long work

UNIVERSITY PARK — David DeWalle, Penn State Professor Emeritus of Forest Hydrology, has been awarded the 2023 Warren A. Hall Medal from the Universities Council on Water Resources. The Warren A. Hall Medal is a memorial established to recognize exceptional accomplishments and distinction of an individual in the water resources field. The medal is the council’s most prestigious award and is presented to those who have demonstrated a career-long commitment to exemplary interdisciplinary scholarship and academic excellence in water resources. Over a career in Penn State’s College ...

Should you worry about lichens, moss, algae on trees?

Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what are those green masses growing on your trees? Those growths could be either lichens, moss or ...

Human impact on bird populations

Birds seem to be all around us. We don’t really understand how hard it is for birds to navigate their world, or how much human activity has made this navigation more difficult. Like people, birds are very susceptible to the effects of pollution in their environment. There are many kinds ...