Only in English News Support us Volunteer Species list Deviation Log Ringing numbers Yearly totals Abroad About us Volunteers 2019-2023 Volunteers 2015-2018 Recording area Norwegian list Accommodation Guiding Publications 2011-2025 1957-2010 Transport Contact Bird Obs Norway Videos Log in Search the site	A record night for owls Tengmalm's owls are active at night, and resting during the day. Owl's ages are determined from color nuances on the wing. The ring is put on with special pliers. Tengmalm's owl - 22 years of data This figure shows the number of Tengmalm's owls caught by mist netting at Lista Bird Observatory over the last 22 years. The population peaks every third year. Scalpel-sharp claws A total of 50 Tengmalm's owls and 3 pygmy owls were ringed on Friday night. By M. Wold The mist nets in the labyrinth were opened early in the evening, and before 10pm there were already four owls caught. This was the start of a record night for Lista Bird Observatory. In total 50 Tengmalm's owls and three pygmy owls were ringed before sunrise. The record for previous years is 33 Tengmalm's owls in one night. After the owls were taken to the ringing room and ringed, their age, weight, wing length and condition were determined and registered into the database. Tengmalm's owl is a small owl and one of the most common owl species in Norway. It is not a migrant, but moves south in the autumn, searching for food. Their main source of food is rodents. In our database stretching 22 years back, a clear trend can be seen where the population peaks every third year. If the trend continues, 2011 will be one of those years and judging from the numbers caught Friday night, this is indeed the case. The owl plumage is soft and with a comb-like edge of the primary feathers which makes their flight silent and enables capturing prey by stealth. No-one in the ringing room on Friday left without having experienced how long and sharp owl claws really are. NB. No flash was used, hence the pictures may be a little unsharp and noisy.	Ringing numbers Sorry, but we are outside of the spring and autum seasons. Detailed log Reportasje fra Lista FS i Aftenposten Seasonal deviation Crested Tit 1 -94% Black-headed Gull 311 -92% Twite 7 -91% Mistle Thrush 3 -90% Pink-footed Goose 2 -89% Common Redpoll 298 +5308% European Shag 13107 +538% Common Stonechat 90 +383% Great Spotted Woodpecker 23 +347% European Goldfinch 522 +342% View deviation of seasons Facebook Følg Følg Lista FS på facebook.com Siste 5 på siden   Looking for bird ringers for spring and/or autumn 2025   Begynnerkurs i ringmerking: 26.-27. april 2025   Report from autumn 2024   Lista Fuglefestival 2024   A total of 100 radio transmitters will be attached Nyheter fra NOF Solid mangfold på Fuglenes... Krykkja fortsetter nedgangen... Ny strategiplan vedtatt på... Faunakriminalitet er fortsatt... Trekkfuglene vender tilbake –... Omfattende drukning av måker... Rødvingeprosjektet fortsetter... (Litt mer) fuglevennlig katt...
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