Table 7.

Number of references (ref) per coding theme across newspaper articles (art) on Egyptian goose

	Reference frequency	Content of references
Governmental action	33 ref. 27 art.	– Monitoring the distribution of the species – The design of invasive alien species policies at provincial and municipal level – Provincial fauna management units hunting the goose – Shaking eggs or treating them with corn oil, typically at municipal level – Lifting hunting restrictions, for example in the province of Noord-Holland
Governmental inertia	4 ref. 4 art.	– City of Leeuwarden will not be undertaking action regarding the Egyptian goose, despite European regulations – Municipality of Rotterdam does not want to catch and kill the geese – Limited remuneration for damage caused by the geese
Community action	5 ref. 5 art.	– Public lecture on invasive alien species – Processing goose meat into food – Citizens reporting sightings of the species – Cooperation initiative at provincial level between governmental and nongovernmental actors
Community inertia	2 ref. 2 art.	– NGO Platform Stop Invasieve Exoten does not focus on the Egyptian goose since the government is already managing that species
Negative impacts	19 ref. 19 art.	– Threat to native species caused by breeding rapidly, taking over nesting sites of other birds, and killing chicks of other species – Can be aggressive toward humans – Posing a traffic hazard, since they are attracted by the grass between tram tracks – Like other geese: damage to crops and grasslands, and noise production
Positive impacts	3 ref. 3 art.	– Esthetic value – Food source for the European pine marten – Egyptian goose more favored than meadow birds as food for foxes
Ambiguous impacts	2 ref. 2 art.	– Since geese look for cover to breed while meadow birds prefer an open area, they may not pose a real threat – Having a new bird settle in the Netherlands is interesting, but might in the long term do damage