1Ammon EM, 1995. Lincoln's Sparrow Melospiza lincolnii. In: Poole A ed. The Birds of North America Online. Ithaca: Cor- nell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.comell.edu/bna/species/191.
2Baker MC, Spitler-Nabors KJ, Thompson Jr. AD, Cunningham MA, 1987. Reproductive behavior of female white-crowned sparrows: Effects of dialects and synthetic hybrid songs. Anim. Behav. 35: 1766-1774.
3Baker MC, Thompson DB, Sherman GL, 1981. Neighbor-stranger song discrimination in white-crowned sparrows. Condor 83: 265-267.
4Bateson M, Healy SD, 2005. Comparative evaluation and its im- plications for mate choice. Trends Ecol. Evol. 20: 659-664.
5Beecher MD, 1982. Signature systems and kin recognition. Am. Zool. 22: 477-490.
6Beecher MD, 1988. Kin recognition in birds. Behav. Gen. 18: 465-482.
7Beecher MD, 1989. Signalling systems for individual recognition: An information theory approach. Anim. Behav. 38:248-261.
8Blumstein DT, Verenyre L, Daniel JC, 2004. Reliability and the adaptive utility of discrimination among alarm callers. Proc. R. Soc. B. 271: 1851-1857.
9Blumstein DT, Munos O, 2005. Individual, age and sex-specific information is contained in yellow-bellied marmot alarm calls. Anim. Behav. 69: 353-361.
10Boncoraglio G, Saino N, 2007. Habitat structure and the evolution of bird song: A meta-analysis of the evidence for the acoustic adaptation hypothesis. Funct. Ecol. 21: 134-142.
