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• The endangered and endemic Tutema (Porphyriops melanops bogotensis Chapman) and the Blue-winged Teal (Spatula discors) use an artificial pond in Boyacá State, Colombia

  Fernando Ramírez

  03-06-2026

  https://doi.org/10.4081/rio.2026.942

  212

  Downloads: 165

• The hybrid zone between the Pied Crow (Corvus albus) and the Somali Crow (Corvus edithae) in Eritrea

  Giuseppe De Marchi, Giorgio Chiozzi

  10-12-2025

  https://doi.org/10.4081/rio.2025.914

  706

  Downloads: 254

• Observation of a Nilgiri Wood Pigeon (Columba elphinstonii) feeding on boiled peanuts at Doddabetta Peak, The Nilgiris, India

  Vignesh Elangovan, Rishi Kesavan, Moinudheen N

  20-10-2025

  https://doi.org/10.4081/rio.2025.904

  509

  Downloads: 342

• First cases of unsuccessful breeding of the Mediterranean shag Gulosus aristotelis desmarestii in the Italian northern Adriatic (Friuli-Venezia Giulia region, northeastern Italy)

  Paolo Utmar, Maurizio Spoto, Davide Scridel

  13-11-2025

  https://doi.org/10.4081/rio.2025.910

  388

  Downloads: 196