Seven overlaps linked wild-bird H5 clusters with poultry outbreaks in the US
Across seven periods between 2022 and 2025, clusters of H5 detections in wild waterfowl overlapped in time and…
Read story →WILDLIFE IN THE NEWS
News about Mallard
Research, conservation and important developments connected to this species.
H5 Avian Influenza RNA and ESBL E. coli Detected in Water Bins Used by Wild Mallards in Germany
Water from baited bins visited mainly by wild mallards on Germany’s Baltic coast contained RNA from highly pathogenic…
Read story →
Papillomavirus Genomes Recovered from Three Northern Pintails and One Mallard in New Mexico
Cloacal swabs from three northern pintails and one mallard in New Mexico yielded four complete papillomavirus genomes. All…
Read story →
Game-Farm Ancestry Entered North American Mallard Populations in Repeated Waves
A historical genomics study found that ancestry from captive-bred game-farm mallards entered wild North American populations repeatedly from…
Read story →
Mallards in Algeria Had Larger Nests and Eggs and Higher Breeding Success Later in the Season
Across 20 mallard nests on an island in Oued Charef Dam, northeastern Algeria, nest dimensions and egg size…
Read story →
Urban Mallards in Poland Fled at About 3 Metres, Versus 27 Metres in Agricultural Areas
Wintering mallards in south-eastern Poland fled at an average of 3.1 m in urban areas but 26.6 m…
Read story →
In Simulations, January Oiling Caused Higher Mallard Mortality Than March Oiling
An energetics model of female mallards predicted greater mortality from hypothetical January oiling than March oiling, while surviving…
Read story →
Botulism was the primary confirmed cause of repeated mallard deaths in a degraded Spanish pond
Repeated mallard deaths at A Congorza in Galicia were primarily attributed to confirmed avian botulism, while severe eutrophication,…
Read story →
Mallard and Gadwall Broods Were 0.8–1.4 km From Their Nests by Day Five
Radio-tagged mallard and gadwall broods in California selected semi-permanent wetlands and moved rapidly after hatching, with five-day-old ducklings…
Read story →
Mallard Population Growth Was Lower in Years With Longer Growing Seasons at Higher Latitudes
Across 38 years of western boreal survey data, annual mallard population growth was lower in years with longer…
Read story →
Five Duck Samples at Lake Madatapa Showed Avian Influenza Co-Infections
At Lake Madatapa in Georgia, 128 of 225 duck samples were positive for influenza A, but none tested…
Read story →
Longer Shorelines Were Associated With More Chicks in Four Urban Waterbird Species
Across 55 waterbodies in Gdańsk, Poland, longer shorelines were associated with more chicks in mallards, mute swans, Eurasian…
Read story →Loading more stories…
No news stories match these filters.