søndag 28. august 2016

Revtangen BO August 28th - Open Day

Today we teamed up with The Norwegian Ornithological Society (Rogaland section) to keep Revtangen BO open to the public from 09-15. Conditions were close to perfect with light easterlies and cloudy, but we avoided the rain. 324  people visited the station during the day, mostly families with young children.

Nets open 05.30-16, netmeter hours approx. 3300. Playback on Garden-, Reed-, Aquatic- and Grasshopper Warbler through the night, Meadow- and Tree Pipit during the day. 

Ringed: BLACK WOODPECKER 1, Barn Swallow 3, Tree Pipit 15, Meadow Pipit 64, Grey Wagtail 1 (first this season), European Robin 2, Common Redstart 1, Fieldfare 1, Sedge Warbler 3, Reed Warbler 9, Lesser Whitethroat 1, Common Whitethroat 1, Garden Warbler 10, Blackcap 8, Chiffchaff 1, Willow Warbler 19, Pied Flycatcher 1, Great Tit 2, Chaffinch 1, Lesser Redpoll 1, COMMON ROSEFINCH 2, Yellowhammer 1. Total = 148. Also 4 controls. 

Today's Black Woodpecker was only the third ever ringed at Revtangen BO. Svartspett.

Two 1 cy Common Rosefinches were also a welcome surprise, the first this season. Rosenfink 1K.


Ringmerket: SVARTSPETT 1, låvesvale 3, trepiplerke 15, heipiplerke 64, vintererle 1, rødstrupe 2, rødstjert 1, gråtrost 1, sivsanger 3, rørsanger 9, møller 1, tornsanger 1, hagesanger 10, munk 8, gransanger 1, løvsanger 19, svarthvit fluesnapper 1, kjøttmeis 2, bokfink 1, brunsisik 1, ROSENFINK 2, gulspurv 1. Total = 148. Også 4 kontroller. 

Observations: Yellow Wagtail 16+ flew over. 

Renate Berg, Björn Mo, Ingvald Ekeland, Espen Helgesen, Haavard Husebö, Alf Tore Mjös, Steinar Eldøy, Bjørn-Tore Rekve Seim, Elisabeth Aarsnes, Morten Stokke. 324 visitors, 146 children and 178 adults.

Revtangen BO August 25th

N light breeze, fog, cleared partly during the day. Playback on Garden Warbler, Reed Warbler and Grasshopper Warbler through the night, Tree Pipit and Meadow Pipit during the day. Nets open 05.30-20, netmeter hours approx. 4300.  

Ringed: White Wagtail 2, Tree Pipit 19, Meadow Pipit 33, Garden Warbler 5, Blackcap 4, Wood Warbler 1, Willow Warbler 17, Chiffchaff 1, Pied Flycatcher 1, Spotted Flycatcher 1, Chaffinch 1, Common Linnet 2, Yellowhammer 1, Reed Bunting 1. Total = 89. Also 11 controls. 

Wood Warbler 1 cy, aged by the fresh plumge. Bøksanger 1K.

Ringmerket: Linerle 2, trepiplerke 19, heipiplerke 33, hagesanger 5, munk 4, bøksanger 1, løvsanger 17, gransanger 1, svarthvit fluesnapper 1, gråfluesnapper 1, bokfink 1, tornirisk 2, gulspurv 1, sivspurv 1. Total = 89. Også 11 kontroller.

Observations: Harrier species 1, possibly juvenile Pallid Harrier; Black-tailed Godwit 4 juvenile islandica, Yellow Wagtail 2. 

 Haavard Husebö and Alf Tore Mjös

Revtangen BO August 23rd

Light easterlies turning west, part cloudy. Playback on Reed-, Aquatic-, Garden- and Grasshopper Warbler overnight. Meadow Pipit, Tree Pipit, Barn Swallow and Sand Martin during the day (the latter two only part of the day). Nets open 05.30-20. Netmeter hours approx. 4300. 

Ringed: Sand Martin 45, Barn Swallow 25, Tree Pipit 18, Meadow Pipit 34, Redwing 1, European Robin 1, Northern Wheatear 1, Common Redstart 1, Grasshopper Warbler 3, Reed Warbler 1, Sedge Warbler 2, Common Whitethroat 2, Willow Warbler 13, Tree Sparrow 1, House Sparrow 1, Chaffinch 2, Common Linnet 1. Total = 155. 

Lots of Sand Martins in the area today, and some were trapped using playback. Notice the variation in plumage among 1 cy birds, some are distinctly more rufous. Sandsvale, fargevariasjon blant 1K.

Ringmerket: Sandsvale 45, låvesvale 25, trepiplerke 18, heipiplerke 34, rødvingetrost 1, rødstrupe 1, steinskvett 1, rødstjert 1, gresshoppesanger 3, rørsanger 1, sivsanger 2, tornsanger 2, løvsanger 13, pilfink 1, gråspurv 1, bokfink 2, tornirisk 1. Total = 155.

Observations: Common Crossbill 25+ flew high over, Yellow Wagtail 6+. 

Haavard Husebö and Alf Tore Mjös. 2 visitors. 

Revtangen BO August 22nd

SSE wind turning S, cloudy with rainshowers. Playback on various warblers (Garden-, Grasshopper-, Reed- and Aquatic Warbler) had little effect because there was rain during the night and very few arriving migrants. Netmeter hours approx. 4600.

Ringed: Green Sandpiper 2, Eurasian Wryneck 1, Tree Pipit 5, Meadow Pipit 1, Redwing 1, European Robin 1, Northern Wheatear 1, Grasshopper Warbler 1, Reed Warbler 1, Sedge Warbler 1, Garden Warbler 2, Blackcap 1, Common Whitethroat 1, Willow Warbler 2, Pied Flycatcher 1, Common Linnet 1. Total = 24. 

Wrynecks are aged by looking at the pattern in the tips of the primary coverts. Light buff inverted "V" with pale on both outer and inner web is typical of 1cy birds. IK vendehals, aldersbestemt på mønsteret i spissen av hånddekkerne.
 

Ringmerket: Skogsnipe 2, vendehals 1, trepiplerke 5, heipiplerke 1, rødvingetrost 1, Rødstrupe 1, steinskvett 1, gresshoppesanger 1, rørsanger 1, sivsanger 1, hagesanger 2, munk 1, tornsanger 1, løvsanger 2, svarthvit fluesnapper 1, tornirisk 1. Total = 24. 

Many-plumed Moth (Alucita hexadactyla) was a new species for Revtangen in an otherwise poor catch in the Robinson-traps. Kaprifolfingermøll, ny for Revtangen OS. 

Haavard Husebö and Alf Tore Mjös. 

onsdag 24. august 2016

Revtangen BO August 21st

The playback-effort was similar to yesterday,  but some rain and a bit more wind brought few new arrivals and more difficult trapping conditions. Despite around 4700 netmeter hours the catch was not too impressive: 

Ringed: Tree Pipit 5, Meadow Pipit 8, European Robin 1, Whinchat 1, Sedge Warbler 2, Garden Warbler 2, Blackcap 1, Common Whitethroat 1, Willow Warbler 6, Chiffchaff 1, Spotted Flycatcher 1, Great Tit 1, Tree Sparrow 1, Chaffinch 2, Common Linnet 3, Yellowhammer 1. Total = 37. Also 6 controls.

Ringmerket: Trepiplerke 5, heipiplerke 8, rødstrupe 5, buskskvett 1, sivsanger 2, hagesanger 2, munk 1, tornsanger 1, løvsanger 6, gransanger 1, gråfluesnapper 1, kjøttmeis 1, pilfink 1, bokfink 2, tornirisk 3, gulspurv 1. Total = 37. 


Observations: The Barred Warbler from yesterday and the Wryneck from the day before were still around. Also 1 Spotted Redshank, 1 Wood Sandpiper and around 10 Yellow Wagtails. 

A couple of dragonflies were released from the mistnets during the day, including this Aeshna juncea.

Renate Berg, Asbjørn Folvik, Espen Helgesen, Haavard Husebö, Alf Tore Mjös. 5 visitors.

Revtangen BO August 20th

Easterlies in the morning brought another decent fall of warblers, no doubt in part because of playback overnight on Garden Warbler, Reed Warbler Aquatic Warbler and Grasshopper Warbler. Playback on Tree Pipit and Meadow Pipit during the day. Nets open 05.15-15. Netmeter hours approx. 3200.

Ringed: Sparrowhawk 1 (first this season), Lesser Spotted Woodopecker 1 (first this season), Tree Pipit 12, Meadow Pipit 12, European Robin 1, Grasshopper Warbler 2, Reed Warbler 7, Sedge Warbler 11, Garden Warbler 16, Barred Warbler 1 (first this season), Blackcap 11, Common Whitethroat 2, Willow Warbler 19, Spotted Flycatcher 1, Great Tit 1, House Sparrow 1, Chaffinch 3, Greenfinch 3, Common Linnet 2, Lesser Redpoll 1, Yellowhammer 1. Total = 109.

Ringmerket: Spurvehauk 1, dvergspett 1, trepiplerke 12, heipiplerke 12, rødstrupe 1, gresshoppesanger 2, rørsanger 7, sivsanger 11, hagesanger 16, hauksanger 1, munk 11, tornsanger 2, løvsanger 19,  gråfluesnapper 1, kjøttmeis 1, gråspurv 1, bokfink 3, grønnfink 3, tornirisk 2, brunsisik 1, gulspurv 1. Toal = 109

1 cy Lesser Spotted Woodpecker, the first in 2016. Dvergspett.

1 cy Barred Warbler. Hauksanger 1K. 

Renate Berg, Espen Helgesen and Alf Tore Mjös. 1 visitor.

fredag 19. august 2016

Revtangen BO August 19th

Still light winds from the NNE turning N, but more sunny today. Nets open 05.15-18.30, netmeter hours approx. 4300. Playback on Garden Warbler and Reed Warbler through the night, Green Sandpiper, Meadow Pipit, Tree Pipit and Garden Warbler during the day. 

Ringed: Wryneck 1, Tree Pipit 12, Meadow Pipit 17, Barn Swallow 2, European Robin 1, Reed Warbler 7, Garden Warbler 18, Blackcap 17, Common Whitethroat 4, Willow Warbler 8, Spotted Flycatcher 2, Great Tit 1, Coal Tit 2, Eurasian Nuthatch 1, Common Starling 1, House Sparrow 14, Tree Sparrow 1, Chaffinch 3, Common Linnet 3, Common Crossbill 2. Total = 117. Also 2 controls. 

3 interesting catches today: Wrynecks are rare at Revtangen and most are caught in spring. Nuthatch is less than annual but small invasians are noted at irregular intervals. Small movements of Crossbills in Scandinavia at the moment, are there more to come? Vendehals, spettmeis og grankorsnebb.

Ringmerket: Vendehals 1, trepiplerke 12, heipiplerke 17, låvesvale 2, rødstrupe 1, rørsanger 7, hagesanger 18, munk 17, tornsanger 4, løvsanger 8, kjøttmeis 1, svartmeis 2, spettmeis 1, stær 1, gråspurv 14, pilfink 1, bokfink 3, tornirisk 3, grankorsnebb 2. Total = 117. Også 2 kontroller. 

Observations: Most noteable today were yellow wagtails, very hard to put a number but seemed to be a lot more numerous than normal. Perhaps 20 heard flying over? Also hundreds of barn swallows feeding over the fields. Some movements of raptors going north, we counted 20 sparrowhawk, 3 common buzzard, 4 kestrel and a marsh harrier. No doubt a lot more flew past since we had little time to watch for movements. 

Haavard Husebö and Alf Tore Mjös