Wingnut | Star Tribune


CO2 measurement for Sept. 14: 408.12 ppm

The number reflects the vegetation growing season, which removes carbon dioxide from the atmosphere. The count hit 415 this past May, as the growing season began.

Carbon dioxide in the atmosphere, Sept. 8, 2019

A daily record of global atmospheric carbon dioxide concentration, as measured at the Mauna Loa Observatory in Hawaii.

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It's always interesting and informative, with links offering a world of bird photos and text. Take a look.

Carbon dioxide measurements


A mega book about mega animals

Dinosaur facts and figures, illustrated. An amazing book.

Seabirding -- an addition and a loss

New field guide published, a wonderful guide retires

Explaining value of rainforests

New book gives insight into fires in Brazil

A look at "Unnatural Selection"

Another revealing book by Katrina van Grouw

Bird cams all over the place

Web site has addresses

Wildlife refuges bring money to local communities

Report shows economic contributions made to communities hosting the refuges. And then, read the piece on bird tattoos, tats for people, not birds.

The other flyers in the neighborhood

Dragonflies and Damselflies

Cornell's "Wall of Birds"

Cornell's "Wall of Birds"

Bird art compared to that of Minnesota's Francis Lee Jaques

This blog is back

Book reviews follow this post

Geese engage in wet, wild fight

Geese engage in wet, wild fight

Resident gander protects his pond

Nabbing gnats

Palm Warbler, early migrant

Bird hikes in Brainerd

Thursdays and Saturdays in May

Water too thick to swim, too thin to walk

Water too thick to swim, too thin to walk

Slushy pond is a problem

Motherhood in the snow

She on her nest. Gander is standing by

Bill Thompson III of Bird Watcher's Digest, has died

He was a prolific contributor to the birding world

Crane cam is up and running

Sandhill Cranes in Nebraska