Displaying items by tag: milkweed

Wanda DeWaard has spent 30 years studying and tagging monarch butterflies. Here she leads a volunteer group of citizen scientists tagging monarchs in Cades Cove.  Photos courtesy of Wanda DeWaard

Successful Smokies monarch tagging project is a product of the people

Every winter, way up in the oyumel firs in Mexico’s high elevation forests, millions of North American monarch butterflies that have traveled from as far north as Canada cluster in colonies to overwinter before flying north again to lay eggs in spring. Tens of thousands of monarchs might adorn a single tree like a papery gown, sometimes weighing it down enough to break off branches.

To get to the oyumel forests several miles above sea level, which provide a perfect microclimate for the weary travelers, they migrate south using different aerial paths, or flyways, that merge together over Central Texas. This migrating generation can live up to nine months and might travel anywhere from 1,000-3,000 miles to the forests they seek, yet have never been to. Mysteriously, they find their way and sometimes even make it to the exact tree where their ancestors four or five generations back once clustered. 

Monarchs are the only butterfly that makes a long two-way migration. Despite much research on the species, science still hasn’t fully unraveled the secrets of their incredibly accurate homing system. This makes them one of the true marvels of the natural world.

A tagged monarch feeds on nectar in the Great Smokies before joining the migration to Mexico for the winter.

A bumble bee (Bombus sp.) collects pollen from purpletop vervain (Verbena bonariensis) in a pollinator plot on the Tennessee Aquarium plaza in Chattanooga.  Tennessee Aquarium

Aquarium celebrates Pollinator Week with activities and giveaways June 17-23

Doug Strickland is a writer for the Tennessee Aquarium.

CHATTANOOGA — Pollinators. They’re kind of a big deal.

From iconic monarch butterflies and humble honey bees to fast-flying hummingbirds and acrobatic ... lemurs?! ... the animals that help plants reproduce are collectively known as “pollinators.” Whether intentional or accidental, the actions of pollen-transporting species contribute tremendously to the health of their respective ecosystems and are responsible for a shocking amount of the food we eat.

The benefits of the human-pollinator relationship are a two-way street. According to the Pollinator Partnership, a nonprofit dedicated to raising awareness about the role pollinators play, pollinators are responsible for roughly one of every three bites of food we eat and propagate over 180,000 different plant species — including more than 1,200 food crops.

Monarch butterfly feeding off milkweed. TDOT launched a program to promote milkweed production, a common source of food for butterflies, birds and other insects.

Free milkweed seed will help citizens restore landscapes and preserve habitat; orders commence again in June for popular TDOT project

NASHVILLE — Amid unprecedented citizen demand, the Tennessee Department of Transportation (TDOT) halted online orders for free milkweed seed, offered as part of its Project Milkweed. Launched in June 2023, this mail-order resource was aimed at restoring landscapes and preserving habitats for monarch butterflies and other pollinator species. Since June, TDOT has taken nearly 131,000 individual orders from Tennesseans for milkweed seed. In total, 779,601 red and common milkweed seed packets were requested. The program will return in June 2024.

“TDOT is happy to offer such a popular program to the public, and to empower Tennesseans to do their part in saving pollinators as they are vital to life, growing food, and the economy of Tennessee,” said TDOT Commissioner Butch Eley in a release.

Orders exhausted a stock of 300,000 milkweed seed packets by Sept. 30. Additional seed material has been ordered and is expected to arrive in October. All remaining orders will be fulfilled then, according to TDOT.