The White-winged guan (Penelope albipennis) was thought to be extinct for 100 years. The Guan had never been seen in the wild after Polish...

In June, I visited North Dakota for the first time. Like any birder visiting a new place, I had a target species list I...

It stood like a sentinel at the entrance, lonely, waiting. I was running late, and yet I slowed the car down, to catch as much...

More than 99% of the population of Tricolored Blackbirds (Agelaius tricolor) live within the state of California and form the largest colonies of any...

Well, it’s official. Over a decade since I was last there, I am finally heading back to Africa late this year. Not forever mind,...

Above: A stand of spotted knapweed along the Clark Fork. The yellow flower behind it is common tansy, another invasive. It’s bad enough to...

New Zealand has a very odd biota these days. There are the endemics, which are odd in their own way, and then there introduced...

In Australia we definitely have our fair share of invasive species and the main problem is that we are such a huge land mass...