Table 1.

Studies quantifying heritability (h²) of nestling PHA-response in avian wild populations. (In full-sib analyses, p is the significance of the nest-of-origin effect, and in parent–offspring regression the significance of the slope.)

study	species	h2	method	p	remarks
Ardia & Rice (2006)	Tachycineta bicolor	0	full-sib		three different populations
		0	full-sib
		0.42	full-sib	<0.05
Ardia (2005)	Sturnus vulgaris	0.80	full-sib	<0.01
Brinkhof et al. (1999)	Parus major	0.30	full-sib	<0.001
Christe et al. (2000)	Delichon urbica	0.01	full-sib	0.59
Cichoń et al. (2006)	Ficedula albicollis	0.25	full-sib	0.032
		0.36	full-sib	0.004	brood size manipulation
Cucco et al. (2006)	Perdix perdix	0.05	mother–offspring	0.82	measured in different life stages
		0.27	father–offspring	0.20	measured in different life stages
De Neve et al. (2004)	Pica pica	0.19	full-sib	>0.05	food supplemented nestlings
		0	full-sib		control nestlings
Kilpimaa et al. (2005)	Parus major	0.07	full-sib	0.40
Saino et al. (1997)	Hirundo rustica	no data	full-sib	0.004
Soler et al. (2003)	Ficedula hypoleuca	0.17	full-sib	0.23
Tella et al. (2000)	Falco sparverius	0.24	full-sib	0.048