Masaru Hasegawa. Occurrence and persistence of pseudo-tail spots in the barn swallow. Ecology and Evolution. 2024. 14. 7
Masaru Hasegawa, Emi Arai, Hitomi Tanaka, Shosuke Ito, Kazumasa Wakamatsu. Sperm Size Decreases With Increasing Pheomelanin Pigmentation but Not With the Amount of Glutathione in the Barn Swallow. Zoological Science. 2024. 41. 5
Masaru Hasegawa, Emi Arai, Takahiro Kato. Reduced ornamentation became elaborated in benign environments in Pacific Swallows. Journal of Ornithology. 2024
Masaru Hasegawa, Emi Arai, Shosuke Ito, Kazumasa Wakamatsu. UV-induced feather color change reflects its porphyrin content. The Science of Nature. 2024. 111. 1. 6
Masaru Hasegawa. Compensatory traits can explain the concave cost function of purely sexual traits. Ecology and Evolution. 2024. 14. 1. e10850