https://investedbirding.com Field notes and photographs on bird identification, subspecies and variation, by ecologist Wouter van der Ham. en Thu, 08 Oct 2026 19:17:25 +0000 https://investedbirding.com/2024/09/17/spring-stonechats-in-the-netherlands/ https://investedbirding.com/2024/09/17/spring-stonechats-in-the-netherlands/ Tue, 17 Sep 2024 09:00:00 +0000 After the post about the Stonechats in Georgia, I delved a bit deeper into the spring Stonechats in the Netherlands. Nowadays, I am outdoors almost daily for my work as an ecologist. I often encounter Stonechats, which I have also photographed. I have also... https://investedbirding.com/2024/05/29/fuscus-reed-warbler-in-georgia/ https://investedbirding.com/2024/05/29/fuscus-reed-warbler-in-georgia/ Wed, 29 May 2024 09:00:00 +0000 Ten years ago, I visited Georgia for the first time. I spent a month and a half in Batumi, two weeks of which I spent with the ringers in the Batumi Chorokhi Delta. It was a fun experience where I got to hold many dream species in my hands. Besides the... https://investedbirding.com/2024/05/25/georgian-stonechats-in-spring-24/ https://investedbirding.com/2024/05/25/georgian-stonechats-in-spring-24/ Sat, 25 May 2024 09:00:00 +0000 From May 14 to 20, 2024, I went birdwatching in Georgia with three friends. The trip was mainly focused on the mountain species in Kazbegi and species in the lowlands, such as the wild Pheasant, in the southeastern part of the country. While searching for... https://investedbirding.com/2024/02/27/geen-goudplevier-op-schiermonnikoog/ https://investedbirding.com/2024/02/27/geen-goudplevier-op-schiermonnikoog/ Tue, 27 Feb 2024 09:00:00 +0000 On Sunday, February 25th, I decided to travel to Schiermonnikoog. Jesse Sinnema had found a Pacific Golden Plover among the wintering golden plovers. The bird had been present for some time, so it seemed like a good option to go look for it. I only needed... https://investedbirding.com/2024/02/07/barmsijzen-tijdens-de-patchworkchallenge-2024/ https://investedbirding.com/2024/02/07/barmsijzen-tijdens-de-patchworkchallenge-2024/ Wed, 07 Feb 2024 09:00:00 +0000 On January 12th, during a round at Heidestein in Zeist for the Patchwork Challenge 2024, I encountered this bird in a group of Mealy Redpolls. The bird stood out among the Mealy Redpolls due to its white belly and light head. People who occasionally... https://investedbirding.com/2024/02/04/rietganzen-in-drenthe/ https://investedbirding.com/2024/02/04/rietganzen-in-drenthe/ Sun, 04 Feb 2024 09:00:00 +0000 On January 30th 2024, Gijsbert Twigt and I took a day trip to Drenthe in the eastern part of The Netherlands to observe Bean Geese. In the days leading up to our trip, there had been numerous reports of large numbers of Bean Geese arriving in the...