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Colorado's forests, rivers, and open spaces are more than remarkable landscapes. They are connected natural systems that sustain our water, wildlife, communities, and way of life. The health of one...
On Thursday morning I had just parked the car at Huk after having dropped Jr Jr nearby when my phone plinged - a Great Grey Owl was hunting in Lillomarka. I dropped my plans of finding a Little Auk on a fog covered fjord and headed for the forest. I arrived on site after a 25 minute drive and 15 minute walk and found the bird fairly quickly. It was only 800m from the bird at the end of September so easy to assume it was the same bird but quite a few birders (myself included) have been in the area since with no subsequent sightings. It had clearly heard a rodent and was nearly falling off the branch as it prepared to drop onto the prey beneath it. I did se it catch one vole and dive unsuccessfully for another before before after half an hour it disappeared into woodland on the edge of the marsh where it had been hunting. Whilst watching it I could see that the flight feathers all looked to be browny grey and I remembered that the September bird clearly had two generations of flight feathers with darker moulted feathers contrasting with older (juvenile?) ones which showed it was a 2+cy. Checking the photos on the PC I could also see the pattern on the underside of the tail feathers was clearly different to the Sept bird and the tail feathers were also noticeably pointed. This and the single generation of flight feathers show the bird to be a 1cy i.e born this year. So this was exciting that this small area had attracted two different GGO within 7 weeks but that was only part of the story. I went back in the evening which is now early as sunset is just after 4pm as I planned to have a second go for Tengmalm’s Owls this autumn. At 4pm a GGO appeared in exactly the same area as the bird in the morning. It made no attempts to catch food and never seemed to have heard anything and then after close to half an hour of being on the same perch it moved fairly quickly a couple of hundred meters to the south and then disappeared into the forest just as it got dark. I took this to mean that it was hunting within the forest but in hindsight it may well have been continuing its dispersal looking for productive hunting grounds. What is really exciting though is that photos show this was NOT the same bird as earlier in the day (or September)! It had rounded tail feathers so is not a bird of the year (although I do not have photos of the flight feathers to confirm) and the pattern does not match the Sept bird. And why do I have hindsight? Well, a thorough search by me and others this morning from before sunrise revealed no GGO at all, so maybe we just chanced upon two birds moving through. As in the 2019/20 when Maridalen attracted four different GGO it amazes and fascinates me how a single area far away from any known breeding grounds can suddenly attract multiple GGO. How do they end up in the same place? It is not as though there is an abundance of rodents - the post sunset stint revealed not a single owl of any species despite perfect conditions. Looking at my post from 2020 when I individually identified four different GGO in Maridalen I don’t remember making an effort to age them so will maybe go back through my pictures to see what I can make out. However 2019 was a year with no recorded breeding of GGO in Norway due to an absence of rodents in the breeding areas so they were always unlikely to be juveniles (the two proceeding years had been very good though so there were a lot of birds dispersing in desperation). the morning bird atop the high thin stump in the middle of the picture and here on that stump the evening bird on the left side of the trunk of the pine in the middle of the picture and Akshada Risbud who took the following picture which was much better than I managed it really was quite dark when Ashkada took this picture but her superior skills as a photgrapher and better equipment resulted in a much better picture than I managed: I do like this silhouette though And here are the comparison pics of the three birds from this autumn showing why they are different and also how to age them the very pointed tail of the 1cy bird is very easy to see and contrasts with the rounded tails of the two other birds. The different patterns of the tail feathers are easy to see. I don't have a shot of the wing of the afternoon bird as it was always looking straight at us but note that the 1cy bird on the left has flight feathers that all have a browny grey base colour whereas the 2+cy bird from September has two generations of feathers with some having a base colour of dark grey and others browny grey. This may mean that bird can be aged as a 2cy but I will go with the 2+cy to be safe and also because I have not read myself up enough on the subject of aging GGO I have frequently heard that one can individually identify GGO based on their facial markings. I have tried this and clearly don't have the observational skills to do it as I do not see that it is possible especially as the features people see are ones that change based on posture and whether the bird is dry or wet... But one difference that can be seen here is the black mark to the right of the bill of the afternoon bird. Whether this is a consistent feature of that bird though or just due to a displaced feather at the time of the picture is not something we will ever know unless the bird is seen again (and identified based on its tail feathers)
Arizona has various water supplies that support habitat, communities, industry, agriculture, and our way of life. Groundwater makes up 41 percent of the state’s supply, followed by Colorado River...
Af Søren Gjaldbæk Vi er nu to tredjedele henne i dette efterårs boligbirding BBE, der startede den 1. juli og slutter den 31. december. Her en lille status inden...
Ringmærkning: Trækket på Odden: ?It seems like spring migration has started early this time!? Or at least it seemed like that. Within the first hour, several big flocks of Black-headed Gulls (Chroicocephalus...
Oslo is enjoying very settled weather with blue skies and little wind. There are overnight frosts which cause puddles and even a small very sheltered bay on Maridalsvannet to freeze over but by mid afternoon it is quite warm. The Pine Grosbeak invasion has fizzled out but we may see more bird arrive in a week or two based on previous years. I found a single bird at Grefsenkollen on Tuesday but none have been reported in the town on berries. An interesting sighting of a Hawk Owl keeps the hopes alive for an owl winter as does the (re)appearance of. A Great Grey Shrike in Maridalen. The Hawkie was reported on eBird where it is a “sensitive” so I can see no details of when or where it was seen but can see it was in November. Maridalsvannet was as flat as a pancake on Tuesday and revealed a flock of 11 ducks sleeping in the middle of the lake as well as 3 Common Scoter close to the shore. Even in the scope I couldn’t identify all the birds in the flock of 11. Most were clearly Common Scoter but not necessarily all and I needed to get closer. Once I had got closer the flock was awake and turned out to be 10 Common Scoter and a Scaup. The Scaup therefore means I have completed the list of mountain breeding sea ducks this autumn and is a rare bird on Maridalsvannet with it being only my eigth record. It was also the first in Oslo this year. Leaving Maridalen on Wednesday I noticed a large flock of Hooded Crows on a stubble field which just kept getting larger with small groups flying in to join them from the direction of the city. I counted 130 which is a HUGE count and I felt sure there would be something all black amongst them. At first I only found a few Jackdaws but then suddenly there was an adult Rook (kornkråke) - yet another good Oslo bird. Pine Grosbeak (konglebit) at Grefsenkollen on Tuesday a young Scaup (bergand) with 10 Common Scoter (svartand) all of which I think are also young birds. Th bird to the right in the magnified section looked very different to all the others but I am unsure as to whether it is an adult female or a young male that has come much further in its post juvenile moult than the others proof of where they were Great Grey Shrike (varsler) on Tuesday. It had just been bathing and it feathers were in a bit of a mess which is why I think the wing patch looks so large and on Wednesday when the wing patch looks much smaller. We can also just make out the thin white wing bar showing it to be a young bird. I had not noticed this on Tuesday. It is of course possible that they were two different birds but they were in exactly the same tree and the head and bill patterns look the same. This video is from Tuesday: adult Rook (kornkråke) together with Hooded Crows (kråke) going through my photos from Tromsø I noticed that there were two Common Eider of the northern subspecies borealis . Their orange bills really stand out and you can also see one of them has "sails". In addition I think the head and bill has a subtly different profile to the other birds this female Great Spotted Woodpecker (flaggspett) in Maridalen really caught my eye with its browny underparts and forecrown
Sea-level rise and severe storms threaten coastal communities and shorelines around the world. Protecting wetlands and maintaining healthy beaches can help mitigate these threats. That’s why...
Sea-level rise and severe storms threaten coastal communities and shorelines around the world. Protecting wetlands and maintaining healthy beaches can help mitigate these threats. That’s why...
Bestyrelsesmødet i DOF Fyn, som var fastsat til onsdag den 11. november, er flyttet til mandag den 9. november. Det samme gælder oplægget om fuglene i Tarup-Davinde,...
Sarah and I started the morning as the earliest ones today, opening the nets at Kabeltromlen. For the first round, Simon and Youri joined us, and a bit later, Louis-Marie joined as well. He had stayed...
Ringmærkningen: Det var fuldstændigt vindstille og stjerneklart, faktisk så klart at 2 satelitter kunne ses. Det lidt kølige morgenvejr gjorde at der var en hel del vand i nette, og da solen stod...
Observationer: Denne morgen startede med hukket indhyldet i tåge. 50-100 sigt fra solopgang. Men det klarede relativt hurtig op og allerede kl. 8.05 kunne morgenobsen begynde. Den svage vind og den...
26553Audubon is thrilled to welcome Julie Shapiro as Vice President of the Rockies region! Julie brings more than 20 years of experience in natural resource and environmental policy, strategy, and...
Julehygge i DOF Sønderjylland Endnu engang inviteres der til en dejlig aften med julehygge i DOF Sønderjylland. Hvornår: mandag den 7. december, kl. 18 - ca....
4. nov. 2026 kl. 01:00
I 2026 har BirdLife Norge fulgt fugler med GPS-loggere i og rundt vindkraftanlegg. Nå kan du utforske noen av resultatene i tre nye karthistorier. Her får du et innblikk i hvordan fuglene beveger seg i landskapet og hvordan de bruker områdene rundt vindkraftanleggene.
The cold morning slowed the migration over the sea today, this did not, however, scare away the passerine (small birds) resting in the dunes. Leon, Christina, Louis and Sarah went to the migration count...
Ringmærkningen: Xxxxx Trækket på Odden: En meget smuk morgen med tre fra fuglestationen til at tælle og forundres over dagens trafik af fugle på træk. Vi startede med at beundre en planet på den...
Ringmærkning En stille og rolig dag når det kommer til ringmærkningen. Dette var ikke så god timing, da vi havde brug for at holde os varme grundet det kolde vejr. Idag er første morgen vi prøver...
Kelsey McCune wanted to study smart birds, so naturally, she turned to corvids. While working on a Ph.D. in behavioral ecology at the University of Washington, she made a puzzle box out of a log...
26550RainfallThe Sanctuary recorded 4.81 inches of rain in October, which is 24% above average for October. To date, we have received 81% of the rainfall we typically receive from June through...
On a chilly December morning, I packed my snacks and binoculars, threw my coat on, and rushed out the door to meet my CBC counting group for my local circle in Fort Collins, CO. In doing so, I was...
Af Jens Peter Bech Der kunne ugen igennem stadig findes Nøddekrige fra denne vinters invasion af arten. Flere andre vintergæster er begyndt at indfinde sig. Blandt...
The strong winds from yesterday have died down, and this morning we had a beautiful sunrise with good conditions for counting and ringing. Louis joined Youri, Sophie, Simon and Páll at Kabeltromlen for...
Ringmærkning Endnu en drosseldag i Blåvand domineret af solsort (Turdus merula), men også med et par smukke gråsisken (Acanthis flammea sp.) og dompap, som tegn på at vinteren rigtig er på vej....
Observation Vejr: Det var en kølig morgen med omkring 5 grader, så jeg havde taget godt med tøj på. Vejret var klart, og sigtbarheden var rigtig god. Selv de fjerneste vindmøller kunne ses. Vinden...
