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. 2013 Jan 22;280(1751):20122296. doi: 10.1098/rspb.2012.2296

Figure 2.

Figure 2.

(a,b) Auditory filter equivalent rectangular bandwidth (ERB) and (c,d) auditory filter quality (QERB) as a function of sex, season and frequency in house sparrows. Smaller ERB values and larger QERB values indicate greater frequency selectivity. LSMEANS±s.e. were generated with the lsmeans statement in PROC MIXED in SAS v. 9.2.