{"public_id":"CTF-END-000001","vault":"END","record_type":"recording","record_type_label":"Recording","title":"Capercaillie display call, Cairngorms","summary":"Male display call recorded at a spring lek in a Scottish pinewood. Location generalised to protect the lek.","description":"The clicking and cork-pop phrases of a displaying male, recorded before dawn in April. Capercaillie are highly sensitive to disturbance at leks, so the recording location is shown as a 50 km cell.","evidence_tier":"T1","verification_status":"expert","time":{"start":2019,"end":2019,"precision":"year","uncertainty_years":0,"dating_method":"recording-timestamp","bands":["modern"]},"geometry_public":{"type":"hex","h3":"84190d9ffffffff","centroid":[-3.9089,57.259],"radius_km":26.1},"precision_class":"grid50","sensitivity_class":"generalised","sensitivity_reason":"species-protection","locality_public":"Cairngorms region, Scotland","place":{"id":"cairngorms","name":"Cairngorms","type":"region"},"taxon":{"id":"tetrao-urogallus","name":"Tetrao urogallus","common":"Western capercaillie","extant":true,"iucn":"LC","gbif_key":2473553,"eco_memory_url":"https://eco-memory.example.org/species/western-capercaillie"},"rights":{"licence":"CC-BY-NC-4.0","licence_label":"CC BY-NC 4.0","licence_url":"https://creativecommons.org/licenses/by-nc/4.0/","attribution":"Recordist name and source archive (illustrative placeholder audio)","rights_holder":"Recordist (illustrative)","source_name":"Chronos Terra field recordings","source_url":"https://chronos-terra.example.org/sources#field-recordings","retrieved_on":"2026-09-01","mode":"hosted","citation":"Chronos Terra Foundation (2026). Capercaillie display call, Cairngorms. CTF-END-000001."},"media":[{"role":"access","path":"/media/CTF-END-000001.wav","media_type":"audio/wav","alt":"Clicking phrases rising to a cork-pop, then a gurgle. Placeholder audio.","duration_s":3,"processing_state":"denoised"},{"role":"spectrogram","path":"/media/CTF-END-000001-spectrogram.png","media_type":"image/png","alt":"Spectrogram with short broad-band clicks then a sharp pop.","processing_state":"denoised"}],"links":[{"to":"CTF-PAL-000001","to_title":"Parasaurolophus walkeri holotype, ROM 768","to_vault":"PAL","to_tier":"T1","type":"living-relative","label":"Extinct relative","tier":"T3","note":"Birds are the living descendants of theropod dinosaurs; hadrosaurs are a more distant branch. The link illustrates deep-time kinship rather than direct descent.","citation":"Brusatte, S. L. et al. (2015). The origin and diversification of birds. Current Biology 25(19).","direction":"in","to_time":{"start":-76500000,"end":-74000000}},{"to":"CTF-EDA-000001","to_title":"Pinewood podzol profile, Abernethy","to_vault":"EDA","to_tier":"T1","type":"inhabits","label":"Inhabits","tier":"T1","note":"The lek lies in the same pinewood as the described soil profile.","citation":"Chronos Terra field survey 2021 and lek records 2019.","direction":"out","to_time":{"start":2021,"end":2021}},{"to":"CTF-END-000004","to_title":"Capercaillie lek count, Abernethy","to_vault":"END","to_tier":"T2","type":"same-taxon","label":"Same taxon","tier":"T1","note":"Same species and the same pinewood.","citation":"Chronos Terra catalogue.","direction":"in","to_time":{"start":2023,"end":2023}},{"to":"CTF-END-000005","to_title":"Capercaillie extinct in Scotland, 1785","to_vault":"END","to_tier":"T2","type":"same-taxon","label":"Same taxon","tier":"T2","note":"The species lost in 1785 and the species recorded in 2019 are the same, via reintroduction.","citation":"Historical accounts and the Chronos Terra catalogue.","direction":"in","to_time":{"start":1770,"end":1785}},{"to":"CTF-ICO-000002","to_title":"Capercaillie in a Victorian sporting engraving","to_vault":"ICO","to_tier":"T2","type":"depicts","label":"Depicted in","tier":"T2","note":"The engraving shows the same species in the same display posture heard in the recording.","citation":"Engraving catalogue entry (illustrative).","direction":"in","to_time":{"start":1860,"end":1880}},{"to":"CTF-LIN-000002","to_title":"Gaelic pinewood words, Badenoch speaker","to_vault":"LIN","to_tier":"T1","type":"names","label":"Named by","tier":"T1","note":"The speaker gives the Gaelic name of the capercaillie.","citation":"Chronos Terra field recording 2018.","direction":"in","to_time":{"start":2018,"end":2018}}],"vault_fields":{"call_type":"display","processing":"denoised"},"registry":{"registered_on":"2026-09-01","version":"e0428b5f35fc","url":"https://chronos-terra.example.org/records/CTF-END-000001","json_url":"https://chronos-terra.example.org/generated/records/CTF-END-000001.json"}}