ML613229181
Участник
David Bellamy Media from this contributor Профиль
Дата
Местоположение
Sunflower field Ballawhetstone
Isle of Man, Isle of Man
Media from this location Иллюстрированный Список Видов- Возраст
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Подробности наблюдения
The first Tree Sparrow ringed on the Isle of Man mainland since 2015! This represents the entire (known) Manx population. Wing length: shortest = 67mm, longest = 71mm, average (n=14) = 68.6mm. Weight: lightest = 17.8g, heaviest = 23.0g, ave (n=14) = 20.3g. On average these 14 birds were 1mm shorter in wing length and 0.7g lighter in weight than the published BTO average figures (n=4500).
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