Browsing NINA Brage by Author "Lerma, Miriam"

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    • Breeding stage, not sex, affects foraging characteristics in masked boobies at Rapa Nui 

      Lerma, Miriam; Dehnhard, Nina; Luna-Jorquera, Guillermo; Voigt, Christian C.; Garthe, Stefan (Peer reviewed; Journal article, 2020)
      Sexual segregation in foraging occurs in some species and populations of boobies (Sulidae), but it is not a general pattern. Sexual segregation in foraging may occur to avoid competition for food, and this competition may ...

    • Nutritional state variations in a tropical seabird throughout its breeding season 

      Lerma, Miriam; Dehnhard, Nina; Castillo‑Guerrero, José Alfredo; Fernández, Guillermo (Peer reviewed; Journal article, 2022)
      Individual body condition is frequently used to explain differences in foraging and breeding ecology in seabirds. However, little is known about the covariations of body mass with the nutritional state of animals as measured ...

    • Variations in inter-specific and sex-related niche partitioning in pelagic boobies during their annual cycle 

      Lerma, Miriam; Dehnhard, Nina; Castillo-Guerrero, José Alfredo; Hernández-Vázquez, Salvador; Voigt, Christian C.; Garthe, Stefan (Peer reviewed; Journal article, 2024)
      Animals that co-occur in a region (sympatry) may share the same environment (syntopy), and niche differentiation is expected among closely related species competing for resources. The masked booby (Sula dactylatra) and ...