tirsdag 13. september 2016

Revtangen BO September 13th

Unusually high temperatures for September at the moment, we had around 17 degrees through the night rising to well above 22 in the middle of the day. Nets open 06-17.30, netmeter hours approx. 3500. Playback on Garden Warbler, European Robin, Chiffchaff and Yellow-browed Warbler through the night, Meadow Pipit, Tree Pipit and Grey wagtail during the day. 

Ringed: Sparrowhawk 2, Collared Dove 2, Tree Pipit 3, Meadow Pipit 17, Grey Wagtail 2, Dunnock 1, European Robin 3, Northern Wheatear 2 (1 leucorhoa), Redwing 1, Song Thrush 1, Garden Warbler 2, Blackcap 8, Willow Warbler 1, Chiffchaff 7, Yellow-browed Warbler 1 (first this season), Coal Tit 1, House Sparrow 8, Tree Sparrow 8, Chaffinch 5, Greenfinch 8, Lesser Redpoll 1, Reed Bunting 1. Total = 85. Also 4 controls. 

The highlight in the robinson traps this morning was no doubt the Scarce Bordered Straw (Helicoverpa armigera), probably the first record in Norway since the invasion in 2006.

Frosted Orange (Gortyna flavago), a Revtangen speciality.

Haavard Husebö and Alf Tore Mjös. We also had a visit from 26 studens and one teacher from Godalen Skole.
 

Revtangen BO September 12th

Another evening session with 9 walk-in traps at Revtangen 18-21 produced 38 Dunlin, 1 Common Ringed Plover and 11 Sanderling. Total = 50.

50 Brent geese migrated south, and two Peregrines (adult and 1 cy) hunted waders in the area. 

Alf Tore Mjös

Revtangen BO September 11th

A short session with 7 walk-in traps at Revtangen 18-21 resulted in 8 Bar-tailed Godwits, 33 Dunlin, 1 Common Ringed Plover and 9 Red Knots. Total = 51. 

1cy Bar-tailed Godwit. A new colourringing project on Bar-tailed Godwits initiated in Norway in 2016.
This oddly shaped Bar-tailed Godwit had very short and thick tibia, and could not be colour-ringed. Notice also the extra toe!

Alf Tore Mjös


Revtangen BO September 9th

An amputated morning session because of too strong wind from the southwest. Nets open 06-10, playback on Meadow Pipit. 

Ringed: Great Spotted Woodpecker 1 (first this season), Tree Pipit 1, Meadow Pipit 11, Fieldfare 1, Blackcap 1, Chaffinch 1. Total = 16. 

Haavard Husebö and Morten Stokke.

torsdag 8. september 2016

Revtangen OS September 8th

Another gloomy morning with a heavy cover of clouds.Very light easterlies that turned south and increased, after 12 the wind was too strong and the nets were closed around 13. Nets open 05.30-13, netmeter hours approx. 2500. Playback on Reed Warbler, Garden Warbler and Grasshopper Warbler through the night, but with little success. Playback on Grey Wagtail, Meadow Pipit and Tree Pipit during the morning saved a decent catch.

Ringed: Sparrowhawk 1, Grey Wagtail 3, Tree Pipit 2, Meadow Pipit 46, European Robin 7, Song Thrush 1, Redwing 1, Blackcap 1, Garden Warbler 3, Common Whitethroat 1, Lesser Whitethroat 1, Willow Warbler 3, Chiffchaff 1, Coal Tit 2, House Sparrow 1, Chaffinch 6, Greenfinch 2, Lesser Redpoll 1, Reed Bunting 1. Total = 84. Also 3 controls. 

Haavard Husebö, Alf Tore Mjös and Njaal Sölvberg.

onsdag 7. september 2016

Revtangen BO September 7th

Light easterlies in the morning under a heavy cover of clouds. The wind turned south and increased to 5-6 m/s around noon. Nets open 05.30-19, netmeter hours approx. 4400. Playback on Garden Warbler, Reed Warbler and Grasshopper Warbler throught the night, but with very little effect. More efficient were playback on Meadow Pipit and Tree Pipit during the day, while playback on Grey Wagtail producet nothing today. 

Ringed: Sparrowhawk 2, Tree Pipit 6, Meadow Pipit 75, European Robin 1, Redwing 3, Reed Warbler 1, Garden Warbler 1, Common Whitethroat 1, Willow Warbler 4, Goldcrest 1, House Sparrow 3, Chaffinch 4, Yellowhammer 2, Reed Bunting 1. Total = 105. Also 5 controls. 

Observations: Sparrowhawk 3, Merlin 1, Grey Wagtail 5. 

Haavard Husebö and Alf Tore Mjös.

mandag 5. september 2016

Revtangen BO September 5th

Light easterlies in the morning, turning south and increasing, from around 11.30 windy and sunny and no birds were trapped after 12. Nets open 05.30-13.30, netmeter hours approx. 2500. Playback on Reed Warbler, Garden Warbler and Grasshopper Warbler through the night, Tree Pipit, Meadow Pipit, Grey Wagtail and European Goldfinch during the day. 

Ringed: Grey Wagtail 7, Tree Pipit 2, OLIVE-BACKED PIPIT 1, Meadow Pipit 27, European Robin 2, Redwing 1, Fieldfare 2, Grasshopper warbler 2, Reed Warbler 4, Garden Warbler 6, Blackcap 11, Willow Warbler 3, Chiffchaff 2, Blue Tit 1, Eurasian Nuthatch 1, Greenfinch 1. Total = 73. 

A record-early Olive-backed Pipit was no doubt the bird of the day. This is the 10th ringed at Revtangen BO. Sibirpiplerke.

Observations: Hen Harrier 2, Sparrowhawk 6, Common Kestrel 2, Grey Wagtail 12, Yellow Wagtail 5. 

Haavard Husebö and Alf Tore Mjös. 1 visitor.