Revtangen BO May 29th

NE light breeze, heavy clouds in the morning, lighter clouds and some sunshine later in the day. The wind turned north and then back to NE in the afternoon. Nets open 05.30-17, netmeter hours approx. 3600. 

Thrush Nightingale number 11 at Revtangen BO. Nattergal. 

Ringed: White Wagtail 1, Meadow Pipit 3, Fieldfare 3, Thrush Nightingale 1, Lesser Whitethroat 1, Spotted Flycatcher 2, Common Starling 3, House Sparrow 4, Lesser Redpoll 3, Common Linnet 1. Total = 22. Also 9 controls, including a Willow Warbler not from Revtangen.

Ringmerket: Heipiplerke 3, linerle 1, gråtrost 3, nattergal 1, møller 1, gråfluesnapper 2, stær 3, gråspurv 4, brunsisik 3, tornirisk 1. Total = 22. Også 9 kontroller.  

Alf Tore Mjös

Revtangen BO May 28th

Short session in the afternoon 14-18, netmeter hours approx. 1300. 

Ringed: Meadow Pipit 1, Sedge Warbler 1, Lesser Whitethroat 2, House Sparrow 8, Common Linnet 3. Total = 15. Also 9 controls. 

Ringmerket: Heipiplerke 1, sivsanger 1, møller 2, gråspurv 8, tornirisk 3. Også 9 kontroller. 

Alf Tore Mjös 

Revtangen BO May 26th

Nets open 05.30-13. Netmeter hours approx. 2400. 

Ringed: Meadow Pipit 1, Fieldfare 1, Sedge Warbler 3, Common Whitethroat 1, Garden Warbler 1, Common Starling 1, House Sparrow 1, Common Linnet 1, Reed Bunting 1. Total = 11. Also 2 controls. 

Ringmerket: Heipiplerke 1, Gråtrost 1, Sivsanger 3, Tornsanger 1, Hagesanger 1, Stær 1, Gråspurv 1, Tornirisk 1, Sivspurv 1.

Observations: Marsh Harrier 1 adult female. Not the same as yesterday. 

Haavard Husebö and Alf Tore  Mjös.

Revtangen BO May 25th

Another rather quiet day, most migrants have gone past us now.... Nets open 05.30-13.30, netmeter hours approx. 2500. 

Ringed: Sedge Warbler 1, Spotted Flycatcher 1, House Sparrow 4 (first juveniles this year), Eurasian Siskin 1, Lesser Redpoll 7. Total = 14. Also 4 controls. 

The BO garden Sedge Warbler working hard to attract a mate. Sivsanger.

 

Eurasian Skylark along the road down to Revtangen. Sanglerke. 

An interesting gull at Revtangen today: This 4 cy Herring Gull with a yellow colourring T:66K was ringed as a young at Dunbuy Island, Aberdeenshire, UK in July 2013. There are less than 10 records of the ssp. argenteus in Norway, as it will take a ringed bird to be accepted. 4K gråmåke av underarten argenteus på Revtangen i dag.  

Observations: Marsh Harrier 1.

Haavard Husebö and Alf Tore Mjös

Revtangen OS May 21st

Nets open 05.30-15. Netmeter hours approx. 3000. A small influx of Willow Warblers just after dawn and a Bluethroat on the second round, and that's about it...

Ringed: Bluethroat 1, Sedge Warbler 1, Willow Warbler 6, Common Starling 1, Lesser Redpoll 1. Total = 10. 

The second Bluethroat of the year was a female. Blåstrupe hunn.

 

Big party in the evening, when Morten Stokke celebrated hist 50th birthday at the bird observatory. 

 

Alf Tore Mjös. 17 visitors. 

Revtangen BO May 19th

Light winds from mainly NW turning SW. Cloudy and a little rain in the morning, later part sunny and part cloudy. Very few migrants around. Nets open 05.30-18.30, netmeter hours approx. 4100. The new lawn mower was given a thorough introduction to most of the area where it is possible (and impossible) to cut grass with a lawn mower.

Ringed: Meadow Pipit 1, Northern Wheatear 2, Sedge Warbler 1, Common Whitethroat 1, Lesser Redpoll 2. Total = 7. Also 6 controls, including a Sedge Warbler ringed elsewhere. 

Haavard Husebö and Alf Tore Mjös

Revtangen BO May 18th

The wind finally turned SE and then SSE, after almost a week with hard northwest. Nets open 06-13. A bit of rain and a little too windy after 10.

Ringed: Collared Dove 9, Meadow Pipit 3, Garden Warbler 1, Common Starling 1, Greenfinch 2, Common Linnet 4. Total = 20. Also 13 controls, including Redwing and Greenfinch ringed elsewhere. 

Ringmerket: Tyrkerdue 9, heipiplerke 3, hagesanger 1, stær 1, grønnfink 2, tornirisk 4. Også 13 kontroller, inkludert fremmedkontroller av rødvingetrost og grønnfink. 

Haavard Husebö and Alf Tore Mjös

Revtangen BO May 12th

Almost no wind in the early morning, increasing NNW later on. Nets open 05.30-14, netmeter hours approx.  2700. 

Ringed: Meadow Pipit 1, Tree Pipit 1, Common Redstart 1, European Robin 1, Redwing 1, Blackcap 1, Common Whitethroat 1, Lesser Whitethroat 2, Willow Warbler 7, Chiffchaff 4, Pied Flycatcher 1 (first this season), Common Linnet 1. Total = 22. Also 4 controls. 

3 Robinsontraps produced 12 moth species, and for the second day in a row a new species for Revtangen BO in the form of a Scarce Tissue (Rheumaptera cervinalis).

Scarce Tissue (Rheumaptera cervinalis). Berberisduskmåler. 

Caddis flies (Trichoptera) are also caught in Light traps. This one is one of very few that are unmistakable, and can easily be identified as Glyphotaelius pellucidalis based on the wing shape and characteristic patterning. It can even be sexes as a male, since males are more strongly patterned.

Haavard Husebö and Alf Tore Mjös

Revtangen BO May 11th

Almost no wind in the morning, later 4-5 m/s from N. Nets open 05.30-19. Netmeter hours approx. 4300. 

Ringed: Collared Dove 1, Barn Swallow 1, Tree Pipit 1, Meadow Pipit 3, Northern Wheatear 2, Common Redstart 7, Sedge Warbler 2, Blackcap 2, Common Whitethroat 1, Lesser Whitethroat 1, Willow Warbler 13, Wood Warbler 1, Common Starling 1, Tree Sparrow 1, House Sparrow 1, Lesser Redpoll 2, Mealy Redpoll 1, Common Linnet 2. Total = 43. Also 8 controls.

Wood Warbler is less than annual at Revtangen BO, so this one was no doubt the bird of the day. Bøksanger.

Ringmerket: Tyrkerdue 1, låvesvale 1, trepiplerke 1, heipiplerke 3, steinskvett 2, rødstjert 7, sivsanger 2, munk 2, tornsanger 1, møller 1, løvsanger 13, bøksanger 1, stær 1, pilfink 1, gråspurv 1, brunsisik 2, gråsisik 1, tornirisk 2. Total = 43. Også 8 kontroller. 

Observations: European Goldfinch 2, Glaucous Gull 1 imm. 

3 Robinsontraps produced 13 moth species, including a first for Revtangen: Poplar Grey (Acronicta megacephala).

Poplar Grey. Ospekveldfly. 

Haavard Husebö and Alf Tore Mjös. 11 visitors.

Revtangen BO May 10th

Almost no wind in the morning, 1-2 m/s from NE. Turning N 4-5 m/s and back NE. Nets open 05.30-19.30, netmeter hours approx. 4500. A few warblers arriving after dawn, and a notable arrival of Common Redstarts in the afternoon. 

Ringed: Meadow pipit 1, Common Redstart 13, Sedge Warbler 3, Blackcap 3, Common Whitethroat 6, Willow Warbler 12, Chiffchaff 3, Spotted Flycatcher 1 (first this season), Common Linnet 2, Mealy Redpoll 5, Reed Bunting 1 (first this season). Total = 50. 

Ringmerket: Heipiplerke 1, Rødstjert 13, Sivsanger 3, Munk 3, Tornsanger 6, Løvsanger 12, Gransanger 3, Gråfluesnapper 1, Tornirisk 2, Gråsisik 5, Sivspurv 1. 

Observations: The Caspian Tern was still in Orrevatnet. Pied Flycatcher 1, a few Whimbrels heard in the afternoon. 

Haavard Husebö and Alf Tore Mjös. 2 visitors. 

Revtangen BO May 6th-9th

Stable weather conditions, warm and mostly sunny, SE in the morning turning S-SW around 11. Difficult trapping conditions after 11 all days. Nets open most days 05.30-16, netmeter hours 3300.

Summary of birds ringed:

May 6th: Collared Dove 1, Winter Wren 1, Blackcap 3, Common Whitethroat 1, Lesser Whitethroat 1, Willow Warbler 10, Chiffchaff 4, House Sparrow 1, Greenfinch 2, Mealy Redpoll 1, Lesser Redpoll 3. Total = 28. 

May 7th: Collared Dove 1, Common Redstart 1, Blackcap 6, Common Whitethroat 4, Lesser Whitethroat 1, Willow Warbler 14, Chiffchaff 8, Mealy redpoll 2, Lesser Redpoll 8. Total = 45. 

May 8th: Meadow Pipit 1, Common Redstart 4, Bluethroat 1, Fieldfare 1, Song Thrush 1, Sedge Warbler 1, Common Whitethroat 6, Lesser Whitethroat 3, Willow Warbler 29, Chiffchaff 4, House Sparrow 2, Mealy Redpoll 4, Lesser Redpoll 14, Common Linnet 4. Total = 75. Also a Common Redstart with a Danish ring.

A quite early Bluethroat male was caught on the 8th. 

May 9th: Common Redstart 6, Common Whitethroat 1, Lesser Whitethroat 1, Willow Warbler 16, Chiffchaff 5, Common Starling 1, Chaffinch 1, Lesser Redpoll 3. Total = 34. 
Observations on the 9th: Caspian Tern 1 adult in Orrevatnet, first spotted from the bird observatory. 

Haavard Husebö

Revtangen BO May 4th

SE turning S/SV, a bit too windy most of the time. Nets open 05.30-15.30. Netmeter hours approx. 3200. 

Ringed: Tree Pipit 1, European Robin 1, Blackcap 3, Willow Warbler 3, Chiffchaff 1, Mealy Redopoll 2, Lesser Redpoll 3, Common Linnet 1. Total = 15. 

Asbjörn Folvik and Haavard Husebö. Visit from Sandnes VGS.

Revtangen BO May 3rd

Winds from S turning SW, part cloudy, later sunny. Nets open 05.30-19.30. Netmeter hours approx. 4500. 

Ringed: Tree Pipit 1 (first this season), Northern Wheatear 1 (female, ssp. leucorhoa), European Robin 1, Common Blackbird 1, Blackcap 1, Garden Warbler 1 (first this season), Willow Warbler 5, Chiffchaff 1, Common Starling 1, House Sparrow 2, Chaffinch 1, Common Linnet 2. Total = 18. Also 2 controls.

Todays Garden Warbler was the earliest spring record ever at Revtangen BO, with a margin of 4 days. Hagesanger, den tidligste noensinne på Revtangen med fire dagers margin.

Haavard Husebö and Alf Tore Mjös

Revtangen BO April 30th

Strong rain i the morning, the nets were opened around 9 and open until 19. East to southeast 6-10 m/s, rainshowers, temperature from 4-8 degrees. Netmeter hours approx. 3000. The first day with notable arrivals of tropical migrants. 

Ringed: Eurasian Collared Dove 1, European Robin 12, Song Thrush 2, Common Blackbird 1, Common Redstart 1 (first this season), Blackcap 5, Common Whitethroat 1 (first this season), Lesser Whitethroat 1 (first this season), Willow Warbler 4, Chiffchaff 2, Common Starling 2, House Sparrow 1, Greenfinch 1, Common Linnet 5. Total = 39. Also 9 controls, including the first Sedge Warbler this year already ringed nearby at Ergavatnet in 2015. 

Ringmerket: Tyrkerdue 1, rødstrupe 12, måltrost 2, svarttrost 1, rødstjert 1, munk 5, tornsanger 1, møller 1, løvsanger 4, gransanger 2, stær 2, gråspurv 1, grønnfink 1, tornirisk 5. Total = 39. Også 9 kontroller, inkludert årets første sivsanger.

Redstart (female) and Lesser Whitethroat were both new on the 2016 ringing list. Rødstjert og møller var to blant flere nye ringmerkingsarter i dag.

Observations: European Golden Plover 3-400, Tree Pipit 1. 

Alf Tore Mjös. 5 visitors.