Welcome to Masaru's page!

■Profile

Masaru HASEGAWA, Ph.D.    

Department of Evolutionary Studies of Biosystems, The Graduate University for Advanced Studies, 1560-35 Kamiyamaguchi, Hayama-machi, Miura-gun, Kanagawa, 240-0115, Japan    

 

■Research interest

Behavioral ecology (in particular, Sexual selection, Coloration, Courtship).    

 

 

■Study species

Barn swallow, House finch, Chimpanzee, Chabert's vanga, Sickle-billed vanga, Surfur butterfly.

 

 

■Publications

 1     Hasegawa, M., Arai, E., Nakamura, M. 2020 Experimental tail shortening affects feeding rate depending on original tail length in female barn swallows. J. Ethol. (in press)

 2     Hasegawa, M., Arai, E., Nakamura, M. 2020 Probability of incubation by male Japanese barn swallows increases with plasma testosterone level. Ibis (in press) doi:10.1111/ibi.12186.

 3     Hasegawa, M., Arai, E. 2019 Evolution of short tails and breakdown of honest signaling system in the Pacific Swallow Hirundo tahitica. Evol. Ecol. 33:403–416.

 4     Hasegawa, M., Kutsukake, N. 2019 Kin selection and reproductive value in social mammals. J. Ethol. 37:139–150. (Editor's choice) ->

 5     Arai, E., Hasegawa, M., Sato, M., Sakai, H., Ito, S., Wakamatsu, K.. 2019 Eumelanin levels in rufous feathers explain plasma testosterone levels and survival in swallows. Ecol. Evol. 9: 2755–2764  ->

 6     Hasegawa, M.,  Arai, E., Nakamura, M. 2019 Small and variable sperm in a barn swallow population with low extra pair paternity. Zool. Sci 36:154–158.

 7     Hasegawa, M.,  Giraudeau, M., Ligon, R.A., Kutsukake, N., Watanabe, M. and McGraw, K.J. 2018c: Repeatability of combat rate across different group compositions in male house finches. Behaviour 155: 883–904.

 8     Arai, E. Hasegawa, M., Ito, S. and Wakamatsu, K. 2018a: Males with more pheomelanin have a lower oxidative balance in Asian barn swallows (Hirundo rustica gutturalis). Zool. Sci. 35: 505–513. ->

 9      Hasegawa, M. 2018a: Sexual selection mechanisms for male plumage ornaments in Japanese Barn Swallows. Ornithol. Sci. 17: 125–134. ->

10     Hasegawa, M. and Arai, E 2018a: Convergent evolution of the tradeoff between egg size and tail fork depth in swallows and swifts. J Avian Biol. 49: e01684. ->

11     Hasegawa, M. and Arai, E 2018b: Imperfect nestling-mimicry attracts high-quality females in the Asian barn swallow. Ethol. Ecol. Evol. 30: 534–542. full text (50 eprint for free)

12     Hasegawa, M. and Arai, E 2018c: Differential visual ornamentation between brood parasitic and parental cuckoos. J. Evol. Biol. 31: 446–456.

13     Hasegawa, M. and Arai, E 2018d: Sexually dimorphic swallows have higher extinction risk. Ecol. Evol. 8: 992–996.   ->

14     Hasegawa, M., Arai, E. and Nakamura, M. 2018b: Experimental manipulation of female tail length did not cause differential allocation by males in the barn swallow. Ethology 124: 113–121 

15     Hasegawa, M. 2018: Beauty alone is insufficient: female mate choice in the barn swallow. Ecol. Res. 33: 3–16  ->

16    Arai, E. Hasegawa, M., Ito, S. and Wakamatsu, K. 2018b: Sex allocation based on maternal body size in Japanese barn swallows. Ethol. Ecol. Evol. 30: 156–167   ->

17      Hasegawa, M. and Arai, E. 2017c: Negative interplay of tail and throat ornaments at pair formation in male barn swallows. Behaviour 154: 835–851

18      Hasegawa, M. Arai, E., Sato, M. and Sakai, H. 2017b: Plasma testosterone levels increase with expression of male ornaments during mating, but not incubation, in Japanese barn swallows. Zool. Sci. 34: 261–266.

19      Hasegawa, M. and Arai, E. 2017a: Egg size decreases with increasing female tail fork depth in family Hirundinidae. Evol. Ecol. 31: 559–569. 

20     Hasegawa, M. and Arai, E. 2017b: Natural selection on wing and tail morphology in the Pacific Swallow. J. Ornithol. 158: 851-858.

21     Arai, E. Hasegawa, M., Makino, T., Hagino, A., Sakai, Y., Ohtsuki, H., Wakamatsu, K., and Kawata, M. 2017a: Physiological conditions and genetic controls of phaeomelanin pigmentation in nestling barn swallows. Behav. Ecol. 28: 706–716. ->

22     Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2017a: Reproductive advantage of multiple female ornaments in the Asian Barn Swallow Hirundo rustica gutturalis. J. Ornithol. 158: 517–532.

23     Hasegawa, M. Arai, E. Ito, S. and Wakamatsu, K. 2016c: High brood patch temperature of less colourful, less pheomelanic female Barn Swallows. Ibis 158: 808–820. ->

24     Hasegawa, M. and Arai, E. 2016c: Rufous coloration associated with terrestrial locomotion in the adaptive radiation of Malagasy Couas. J. Ornithol. 157: 1115–1118.

25     Hasegawa, M. and Arai, E. 2016b: Female attraction to higher pitched male enticement calls in barn swallows. Ethology 122: 430–441.

26     Hasegawa, M., Arai, E. and Kutsukake, N. 2016b: Evolution of tail fork depth in genus Hirundo. Ecol. Evol. 6: 851–858.   -> 

27     Hasegawa, M., Watanabe, M. and Nakamura, M. 2016a: Promiscuous copulation attempts and discriminate pairing displays in male barn swallows as revealed by model presentation. Ethol. Ecol. Evol. 28: 163–174. full text (50 eprint for free) Video 1, Video 2

28     Hasegawa, M. and Arai, E. 2016a: Long incubation off-bouts of females paired with colorful males in Barn Swallows. Wilson J. Ornithol. 128: 86–96.

29    Hasegawa, M.,  Giraudeau, M., Kutsukake, N., Watanabe, M. and McGraw, K.J. 2015: Bayesian estimation of competitiveness in male house finches: small-billed males are more competitive. Anim. Behav. 108: 207–214. ->     

30     Hasegawa, M. and Arai, E. 2015b:  Experimentally reduced male ornamentation increased paternal care in the Barn Swallow. J. Ornithol. 156: 795–804.

31     Hasegawa, M. and Arai, E. 2015a: Infanticide on a grown nestling in a sparse population of Japanese Barn Swallows Hirundo rustica gutturalis. Wilson J. Ornithol. 127: 524–528.

32    Arai, E., Hasegawa, M., Nakamura, M. and Wakamatsu, K. 2015: Male pheomelanin pigmentation and the breeding onset in Barn Swallows Hirundo rustica gutturalis. J. Ornithol. 156: 419–427. ->

33    Hasegawa, M. and Kutsukake, N. 2015: Bayesian competitiveness estimation predicts dominance turnover among wild male chimpanzees. Behav. Ecol. Sociobiol. 69: 89–99.

34    Giraudeau, M., Nolan, P.M., Black, C., Earl, S., Hasegawa, M. and McGraw, K.J. 2014: Song characteristics track bill morphology along a gradient of urbanization in house finches. Front. Zool. 11: 83. ->

35    Hasegawa, M., Ligon, R.A., Giraudeau, M., Watanabe, M. and McGraw, K.J. 2014a: Urban and colorful male house finches are less aggressive. Behav. Ecol. 25: 641–649. ->

36    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2014b: Colourful males hold high quality territories but exhibit reduced paternal care in barn swallows. Behaviour 151: 591–612.

37    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2014c: Male viability is positively related to multiple male ornaments in Asian barn swallow. J. Ornithol. 155: 389–397.

38    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2013: Male nestling-like courtship calls attract female barn swallows Hirundo rustica gutturalis. Anim. Behav. 86: 949–953.

39    Hasegawa, M. and Arai, E. 2013a: Differential female access to males with large throat patches in the Asian barn swallow Hirundo rustica gutturalis. Zool. Sci. 30: 913–918.

40    Hasegawa, M. and Arai, E. 2013b: Divergent tail and throat ornamentation in the barn swallow across the Japanese islands. J. Ethol. 31: 79–83. (Editor's choice) ->

41    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2012a: Female mate choice based on territory quality in barn swallows. J. Ethol. 30: 143–150.

42    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2012b: High incubation investment of females paired to attractive males in barn swallows. Ornithol. Sci. 11: 1–8. ->

43    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2010a: Mating advantage of multiple male ornaments in the Barn Swallow Hirundo rustica gutturalis. Ornithol. Sci. 9: 141–148. ->

44    Hasegawa, M., Arai, E., Kojima, W., Kitamura, W., Fujita, G., Higuchi, H., Watanabe, M. and Nakamura, M. 2010b: Low level of extra-pair paternity in a population of the Barn Swallow Hirundo rustica gutturalis. Ornithol. Sci. 9: 161–164.  ->

45    Arai, E., Hasegawa, M. and Nakamura, M. 2009: Divorce and asynchronous arrival in Barn Swallows Hirundo rustica. Bird Study 56: 411–413. ->

46    Nakamura, M., Okamiya, T., Hasegawa, M. and Hasegawa, M. 2009: Cooperative breeding in the endemic Madagascan Chabert's Vanga Leptopterus chabert. Ornithol. Sci. 8: 23–27. ->

 

47    Hasegawa, M., Arai, E., Watanabe, M. and Nakamura, M. 2008: Methods for correcting plumage color fading in the Barn Swallow. Ornithol. Sci. 7: 117–122. ->