Sex Difference in Natal Dispersal in the Eurasian Tree Sparrow Passer montanus

Takahiro Kato; Shin Matsui; Osamu K Mikami; Keisuke Ueda; Nobuyuki Kutsukake

doi:10.2326/osj.21.235

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Takahiro Kato,^1,* Shin Matsui,² Osamu K Mikami,³ Keisuke Ueda,⁴ Nobuyuki Kutsukake¹

¹Department of Evolutionary Studies of Biosystems, School of Advanced Sciences, SOKENDAI (The Graduate University for Advanced Studies), Shonan Village, Hayama, Kanagawa 240–0193, Japan
²Department of Biology, School of Biological Sciences, Tokai University, Minamisawa 5–1–1–1 Minami-ku, Sapporo, Hokkaido 005–8601, Japan
³Department of international and regional studies, Faculty of Education, Hokkaido University of Education, 1–2 Hachiman, Hakodate, Hokkaido 040–8567, Japan
⁴Rikkyo University, 3–34–1 Nishi-Ikebukuro, Toshima-ku, Tokyo 171–8501, Japan

^*Corresponding author, E-mail: t.kato.n25@gmail.com

Abstract

Avian dispersal patterns vary among populations and breeding conditions, although female passerine birds tend to disperse longer distances from natal sites than do males. Experimentally, we manipulated the breeding density of the Eurasian Tree Sparrow Passer montanus by establishing high and low nest-box density plots. We banded nestlings and recaptured them one year later. Females were more often found at non-natal sites than were males, and both males and females from high density plots dispersed shorter distances than those from low density plots.

Citation Download Citation

Takahiro Kato, Shin Matsui, Osamu K Mikami, Keisuke Ueda, and Nobuyuki Kutsukake "Sex Difference in Natal Dispersal in the Eurasian Tree Sparrow Passer montanus," Ornithological Science 21(2), 235-240, (29 July 2022). https://doi.org/10.2326/osj.21.235

Received: 19 May 2021; Accepted: 12 October 2021; Published: 29 July 2022

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