Chávez Villavicencio, César Lautaro, and María Fernanda Márquez Bahamonde. 2019. “Mew Gull Larus Canus Breeding in a Residential Area of Malmö, Sweden”. Ornis Svecica 29 (November). Lund, Sweden:72–75. https://doi.org/10.34080/os.v29.19924.