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Tansparency Tube
FISH: Understanding Your Transparency Tube Measurements - Articles Articles
Part of the "First Investigation of Stream Health" activity. Transparency tubes are popular for use in stream monitoring programs. More
Bullfrog. Photo: Lesa Willis
FISH: Pennsylvania Frog and Toad Breeding Phenology - Articles Articles

FISH: Pennsylvania Frog and Toad Breeding Phenology

Jennifer R Fetter, Kristen Kyler

Part of the "First Investigation of Stream Health" activity. In central Pennsylvania there are three distinct periods in which potential species can be expected to begin breeding. More
Precautions for Deer Hunters in Areas with Chronic Wasting Disease
Precautions for Deer Hunters in Areas with Chronic Wasting Disease - Articles Articles
I am a deer hunter. Now that chronic wasting disease has been found in the state, are there any precautions I should take? More
By Connor Long - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=43154585
Bats in the House in Winter - Articles Articles
We found a bat in our house in winter. What type of a bat is it and what should we do? More
German Yellowjackets
German Yellowjackets - Articles Articles
The German yellowjacket an invasive (non-native) species that will aggressively defend its nest and can sting repeatedly. More
Questions and Answers about Centipedes, Ladybirds and Butterflies
Questions and Answers about Centipedes, Ladybirds and Butterflies - Articles Articles
Q&A: Basics about centipedes, ladybirds, and butterflies More
Purple Loosestrife in Pennsylvania
Purple Loosestrife in Pennsylvania - Articles Articles
Purple Loosestrife is an aggressive plant that is invading our wetlands and replacing valuable wetland plants; eliminating food and shelter for wildlife; and choking waterways. More
Pests Can Cause Asthma and Allergies
Pests Can Cause Asthma and Allergies - Articles Articles
Pests such as cockroaches, rodents and weeds and the chemicals with which we kill them can cause allergies and asthma by contaminating air indoors and out. More
Pests Looking for a Warm Place to Stay
Pests Looking for a Warm Place to Stay - Articles Articles
Fall is here and winter isn’t far behind. Pests such as mice, rats and some insects will be looking for a warm, safe place to spend the cold months. More
Is There a Mouse in the House?
Is There a Mouse in the House? - Articles Articles
Find out how to identify a rodent, how to prevent them from entering your home and safe control tactics. More
Home IPM
Home IPM - Articles Articles
Certainly we do not want to share our homes with common household pests, whether they be fruitflies, ants, roaches, mice, wasps or whatever. More
Activity - Ecological Interactions: The Food Cobweb
Activity - Ecological Interactions: The Food Cobweb - Articles Articles
Skills: Ordering, inferring, predicting, critical thinking. More
Early Observation = Easier Control
Early Observation = Easier Control - Articles Articles
Yellowjackets are actually a type of wasp but are often mistaken for bees. They can be quite aggressive, especially when their nest is disturbed, and they can sting more than once. More
Consider including violets in landscapes, or just leaving them where they are doing well. Photo: Kathleen Salisbury
Underused Native Plants: Common Blue Violets - Articles Articles
Native plants have become very popular over the years. More
Photo: Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org - vole Microtus spp. flowering dogwood, Damage: dieback and off color foliage
Vole Control in Overwintering Nursery Stock - Articles Articles
You know the situation…you and your crew spent days cleaning, pruning and moving perennial and nursery stock into your overwintering houses. More
Photo: Jim Occi, BugPics, Bugwood.org blacklegged tick Ixodes scapularis
Ticked Off About Ticks - Articles Articles

Ticked Off About Ticks

Sandy Feather

Pennsylvania has led the nation for the last five years in confirmed cases of Lyme disease, according to the Centers for Disease Control. More
Ornamentals and Deer: Realities and Landscape Plant Options
Ornamentals and Deer: Realities and Landscape Plant Options - Articles Articles

Ornamentals and Deer: Realities and Landscape Plant Options

Jim Sellmer, Ph.D., Rick Bates, Ph.D., Gary San Julian, Ph.D.

There is much frustration toward the prevalence of deer and the damage they cause. More
Plants and animals are all around us, lke this red-backed salamander. But some of them are in danger of extinction.
Threatened, Endangered, and Extinct - Articles Articles

Threatened, Endangered, and Extinct

Sanford S. Smith, Ph.D.

This article is intended for 3rd and 4th grade students. It focuses on the difference between threatened, endangered, and extinct and how species adapt to their changing environment. More
Backyard Wildlife
Backyard Wildlife - Articles Articles
Image gallery of wildlife commonly found in Pennsylvania backyards. More
Woodpeckers Making Holes in Cedar Siding
Woodpeckers Making Holes in Cedar Siding - Articles Articles

Woodpeckers Making Holes in Cedar Siding

Margaret C. Brittingham, Ph.D.

We have woodpeckers making holes in our cedar siding. They pound away until they have a nice round hole or several of them. The damage is becoming considerable. More
Squirrels and Bird Feeders
Squirrels and Bird Feeders - Articles Articles

Squirrels and Bird Feeders

Margaret C. Brittingham, Ph.D.

Help, squirrels are getting more food at my bird-feeder than the birds are? I don’t want to feed squirrels, what can I do? More
Questions on Snakes
Questions on Snakes - Articles Articles

Questions on Snakes

Gary San Julian, Ph.D.

Several frequently asked questions regarding snakes. More
Reducing Disease Risk at Feeders
Reducing Disease Risk at Feeders - Articles Articles

Reducing Disease Risk at Feeders

Margaret C. Brittingham, Ph.D.

Bird feeders may help spread disease if a sick bird comes to your feeder. More
Protecting Birds from Cats
Protecting Birds from Cats - Articles Articles

Protecting Birds from Cats

Margaret C. Brittingham, Ph.D.

How can I protect birds at my feeder from cats? More
Chicory
Neighborly Natural Landscaping in Residential Areas - Articles Articles

Neighborly Natural Landscaping in Residential Areas

Margaret C. Brittingham, Ph.D.

Homeowners across America are changing the face of the typical American lawn. Learn strategies for the natural landscape homeowner who is looking for neighborly ways to garden for nature. More
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