RT Journal Article SR Electronic(1) A1 Nakamura, Masahiko A1 Okamiya, Takayoshi A1 Hasegawa, Masaru A1 Hasegawa, Masami YR 2009 T1 Cooperative Breeding in the Endemic Madagascan Chabert's Vanga Leptopterus chabert JF Ornithological Science VO 8 IS 1 SP 23 OP 27 DO http://dx.doi.org/10.2326/048.008.0104 UL https://www.pieronline.jp/content/article/1347-0558/8010/23