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Localização

Thom Field Chimney, Wausau US-WI
Marathon, Wisconsin, United States
Média deste local Lista Ilustrada
Mapa
Mapa Coordenadas: 44.969687, -89.615148
Idade
Não especificado
Sexo
Não especificado

Detalhes da observação

This is just an estimate. When I got to this spot swifts were already entering the chimney. During the Swift Night Out the night before 329 were counted. Note: one swift tried to enter at the end and either it was rejected or there was no vacancy. It flew to the southwest hopefully finding another chimney. Started taking video towards the end.

Informação técnica

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Microfone
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Tamanho do ficheiro original
52.19 MB