The Steller’s Jay (Cyanocitta stelleri) is one of the ubiquitous birds seen at Lassen Volcanic National Park in northern California. They are a non-migratory...

The end of July is when shorebird migration truly picks up, at least in eastern North America. It is also when a huge number...

Invasive is such an ugly word, isn’t it? An invader, after all, is nothing if not unwelcome. Even the word “invade” describes intrusions described...

Rose-ringed Parakeets (Psittacula krameri) have become the scourge of the householder in the Home Counties of the UK. Their raucous screeching kick-starts more mornings...

Miami, Florida has a reputation among the birding community for being overrun with exotic bird species. It is well-deserved. Spot-breasted Oriole, Purple Swamphen, Common Myna, White-winged Parakeet, Red-whiskered...

On 22 January 1879, a pair of Egyptian Geese sat quietly on top of Isandlwana Hill and watched closely. Then, they had a plan....

Yesterday i introduced you, gentle reader, to the lovely work done by the acclimatisation societies of New Zealand in making the already interesting biogeography...

We all have invasive species on our minds this week, which should serve as an inspiration to those of us interested in expanding our...