kHz
Contributeur
Wil Hershberger Fichiers multimédias de ce contributeur Profil
Date
06:47
Site d'observation
Antietam National Battlefield, Sharpsburg.
Washington, Maryland, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge et sexe
- Mâle adulte - 1
- Sons
- Chant
- Repasse
- Repasse non utilisée
Commentaires
Adult male Grasshopper Sparrow singing Primary Song from post at gate of electric fence near barn. While singing, this male was performing the Threat Display between most songs. From BNA: "Threat Displays. In early breeding season, agonistic male gives territorial display toward neighboring males: a conspicuous wing-flutter, usually single wing, given from fixed perch, confined to periods when male not singing; also perches horizontally with head lower than back". Equipment Notes: SD 702 HPF on at 80Hz, -12dB/octave.
Informations techniques
- Enregistreur
- Sound Devices 702
- Microphone
- Sennheiser ME 62
- Accessoires
- Roche Parabola 74cm/17.7cm (29.1in/7in)
Information d'archivage
- Catalogué
- 30 Jan 2018 - Wil Hershberger
- Numérisé
- 23 Apr 2018 - Martha Fischer