{
  "title": "Bat call frequencies and source levels, 11 species in Panama",
  "description": "Bat call facts: one row per claim, with the species, the value and unit, the dB reference and distance where they apply, the qualifier, the source with its DOI, and how much of the source was read.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Tricks of Ear and Eye",
  "page": "https://tricksofearandeye.com/animal-senses/bat-echolocation/",
  "derived_from": [
    "Surlykke & Kalko 2008, PLoS ONE 3(4): e2036, Table 1, Table 2 and text",
    "Hunter et al. 2020, Hearing Research 397: 107922 (one value, paraphrased)",
    "Speed of sound 343.2 m/s computed for this page"
  ],
  "method": "Compiled by Tricks of Ear and Eye from the data listed",
  "data_credit": [
    "Surlykke, A., & Kalko, E. K. V. (2008). Echolocating bats cry out loud to detect their prey. PLoS ONE 3(4): e2036, https://doi.org/10.1371/journal.pone.0002036, licensed under CC BY 4.0",
    "One value (about 20 kHz, young, healthy people) paraphrased from Hunter et al. (2020), Hearing Research 397: 107922"
  ]
}