Photoperiod modulates courtship behavior and plasma testosterone in a short-day passerine
Quispe M; Silva Rochefort B; Rojas MJ; Alburquerque I; Márquez N; Villavicencio C; Quispe R; Botelho J · 2026 · Preprint
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Seasonal reproduction in birds is commonly regulated by photoperiod, and passerines are generally considered long-day breeders. The Java sparrow (Padda oryzivora) has been proposed as a possible exception, but experimental evidence for…
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Metadata source: Europe PMC · DOI 10.22541/authorea.15003225/v1