1. The contribution of citizen science to research on migratory and urban birds in Brazil

   • Karlla Vanessa de Camargo Barbosa
   • Pedro F. Develey
   • Alex E. Jahn

   Original Article 16 February 2021 Pages: 1 - 11

   

2. Bilingual vocalization in a Neotropical warbler

   • Arthur Monteiro Gomes

   Short Communication 15 March 2021 Pages: 12 - 15

   

3. Breeding biology of the American Oystercatcher Haematopus palliatus on a key site for conservation in southern Brazil

   • Bruno de Andrade Linhares
   • Juçara Bordin
   • Paulo Henrique Ott

   Original Article 23 March 2021 Pages: 16 - 21

   

4. Observations on the breeding biology of the Andean Ibis (Theristicus branickii) in Ecuador

   • Nivia Luzuriaga-Neira
   • Diego Cuichán
   • Nathaly Reyes

   Short Communication 01 April 2021 Pages: 22 - 28

   

5. An overview of the diet of the Great Black Hawk Urubitinga urubitinga (Accipitriformes: Accipitridae) and report of new prey species

   • Angélica Vilas Boas da Frota
   • Breno Dias Vitorino
   • Carolina Joana da Silva

   Short Communication 12 April 2021 Pages: 29 - 37

   

6. Hopeful robber: piracy attempts by the Black-collared Hawk on a Cocoi Heron in the Brazilian Pantanal wetland

   • Dárius Pukenis Tubelis
   • Ivan Sazima

   Short Communication 30 March 2021 Pages: 38 - 41

   

7. Notes on the foraging and feeding behaviours of the Asian Openbill Stork (Anastomus oscitans)

   • Weerachon Sawangproh

   Short Communication 31 March 2021 Pages: 42 - 45

   

8. Wet kiss: water transfer as part of couple bonding in Rainbow Lorikeets?

   • Ivan Sazima

   Short Communication 04 March 2021 Pages: 46 - 49

   

9. Occurrence of Black-browed Albatross (Thalassarche melanophris) in southern Peru provides clues on their northern limit

   • Javier Quiñones
   • Massiel Manrique
   • Javier Arata

   Short Communication 02 April 2021 Pages: 50 - 55

   

10. Rediscovery and historical records of the Strange-tailed Tyrant Alectrurus risora (Passeriformes: Tyrannidae) in Brazil

    • Alyson Vieira de Melo
    • Victor do Nascimento
    • Ben Phalan

    Short Communication 25 March 2021 Pages: 56 - 60

    

11. Correction to: Observations on the breeding biology of the Andean Ibis (Theristicus branickii) in Ecuador

    • Nivia Luzuriaga-Neira
    • Diego Cuichán
    • Nathaly Reyes

    Correction 08 April 2021 Pages: 61 - 61