Zigzag Heron (Zebrilus undulatus): Revise global status?

Red List Team (BirdLife International)

Zigzag Heron (Zebrilus undulatus): Revise global status?

6 thoughts on “Zigzag Heron (Zebrilus undulatus): Revise global status?

  1. There are records of the species in Mato Grosso do Sul, Fazenda Aguapé (20º06’S, 55º57’W) (Nunes et al. 2021).

  2. Many thanks to everyone who has contributed to this discussion. We greatly appreciate the time and effort invested by so many people in commenting. The window for consultation is now closed and we are unable to accept any more comments until 21 February 2022. We will now analyse and interpret the new information, and we will post a preliminary decision on this species’s Red List status on this page on 21 February 2022, when discussions will re-open.

  3. Preliminary proposal

    Based on available information, our preliminary proposal for the 2022.1 Red List would be to adopt the proposed classifications outlined in the initial forum discussion.

    There is now a period for further comments until the final deadline on 27 February 2022, after which the recommended categorisations will be put forward to IUCN.

    The final 2022.1 Red List categories will be published on the BirdLife and IUCN websites in July 2022, following further checking of information relevant to the assessments by both BirdLife and IUCN.

  4. In Ecuador, the species may be found regularly at some lodges, but records usually involve only one or two individuals, even in the most famous hotspots for the species in the country (e.g., Sacha Lodge and Napo Wildlife Center). Density seems to be low in most areas and new territories are difficult to find (despite surveys focused on this species). Deforestation along river borders is noticeable in many major rivers in Amazonian Ecuador, has increased over the last decade, but due to the scale, such deforestation may not be apparent in global tree cover surveys.

  5. Many thanks to everyone who has contributed to this discussion. We greatly appreciate the time and effort invested by so many people in commenting. The window for consultation is now closed and we are unable to accept any more comments. We will analyse and interpret the new information, and we will post a final decision on this species’ Red List status on this page on 7 March 2022.

  6. Recommended categorisation to be put forward to IUCN

    The final categorisation for this species has not changed, but the account for this species and the distribution range map have been updated to incorporate additional information from this discussion. Zigzag Heron is recommended to be listed as Least Concern.

    Many thanks for everyone who contributed to the 2022.1 GTB Forum process. The final 2022.1 Red List categories will be published on the BirdLife and IUCN websites in July 2022, following further checking of information relevant to the assessments by both BirdLife and IUCN.

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