- #259 Fake Halloween cobwebs and plastic appearing in birds' nests - ABC News (Australian Broadcasting Corporation) 14.11.2019
- https://www.abc.net.au/news/2019-11-08/fake-halloween-cobwebs-appearing-in-birds-nests-but-is-it-bad/11679248?fbclid=IwAR2pXJKWEjd_zngxeCcLnCmKfmZL_s1psCt34zwFqvjrTYsv1E1q4wktuOQ
- pesintä roska Halloween turvallisuus
http://kaupunkilinnut.fi/?links&linkid=259