{
  "url": "https://openlegislation.uk/ringing-of-certain-captive-bred-birds-england-and-wales-regulations-2017/schedule-1",
  "json_url": "https://openlegislation.uk/ringing-of-certain-captive-bred-birds-england-and-wales-regulations-2017/schedule-1.json",
  "legislation": "uksi/2017/1213",
  "legislation_title": "The Ringing of Certain Captive-bred Birds (England and Wales) Regulations 2017",
  "legislation_url": "https://openlegislation.uk/ringing-of-certain-captive-bred-birds-england-and-wales-regulations-2017",
  "path": "schedule/1",
  "kind": "schedule",
  "number": "1",
  "heading": "Maximum ring sizes in relation to species of birds in Part 1 of Schedule 3 to the Wildlife and Countryside Act 1981",
  "text": "Common name\nScientific name\nMaximum ring size (internal diameter, expressed in millimetres)\nBlackbird\nTurdus merula\n4.45\nBrambling\nFringilla montifringilla\n2.85\nBullfinch\nPyrrhula pyrrhula\n2.85\nBunting, Reed\nEmberiza schoeniclus\n2.67\nChaffinch\nFringilla coelebs\n2.67\nDunnock\nPrunella modularis\n3.10\nGoldfinch\nCarduelis carduelis\n2.67\nGreenfinch\nCarduelis chloris\n3.10\nJackdaw\nCorvus monedula\n7.15\nJay\nGarrulus glandarius\n6.32\nLinnet\nCarduelis cannabina\n2.67\nMagpie\nPica pica\n7.15\nOwl, Barn\nTyto alba\n9.50\nRedpoll\nCarduelis flammea\n2.55\nSiskin\nCarduelis spinus\n2.55\nStarling\nSturnus vulgaris\n4.45\nThrush, Song\nTurdus philomelos\n4.26\nTwite\nCarduelis flavirostris\n2.55\nYellowhammer\nEmberiza citrinella\n2.90",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2017/1213/schedule/1",
    "retrieved_at": "2026-10-28T23:05:14.501325+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}