Observations of leucistic ʻUaʻu (Hawaiian Petrel Pterodroma sandwichensis) on Lānaʻi, Hawaiʻi
    
    
    
      Authors
      ANDRÉ F. RAINE1 & RACHEL S. SPRAGUE2
      
      
      1Archipelago Research & Conservation, PO Box 81, Hanapepe, Kauaʻi, Hawaiʻi 96741, USA (andreraine@arckauai.com)
	
      
      2Pulama Lānaʻi, PO Box 630310, Lānaʻi City, Hawaiʻi 96763, USA
      
     
    
   
   
    
    
    
      Citation
      RAINE, A.F. & SPRAGUE, R.S. (2022). Observations of leucistic ʻUaʻu (Hawaiian Petrel Pterodroma sandwichensis) on Lānaʻi, Hawaiʻi
        Marine Ornithology, 50(2), 
        129-131.
        
        http://doi.org/10.5038/2074-1235.50.2.1479
      
     
    
    Received 19 November 2021, accepted 13 April 2022
    
    Date Published: 2022/10/15
    Date Online: 2022/09/22
    
    
    
    
      Key words: Hawaiian Petrel, leucism, seabird, Lānaʻi, Pterodroma
    
    
    
    
        Abstract
        The ʻUaʻu (Hawaiian Petrel Pterodroma sandwichensis) is an endangered petrel endemic to the Hawaiian Islands. In this short paper, we describe two cases of Hawaiian Petrels with leucistic plumage recorded on the island of Lānaʻi. In both cases, the birds were chicks that fledged successfully in different years from the same burrow. There is only one other documented case of leucism recorded for this species in the Hawaiian Islands despite intensive monitoring of petrel burrows on Kauaʻi, Lānaʻi, and Maui over the last few decades, highlighting the rarity of this plumage aberration.
     
    
    
    
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