Table 1.

Overview of studies on non-human vertebrates testing for effects of paternal age at conception on offspring telomere length (n.s. = non-significant; direction reported for significant effects only).

class	species	population	paternal age effect	N offspring	reference
Osteichthyes	Atlantic salmon (Salmo salar)	captive	n.s.	300	[11]
Reptilia	sand lizard (Lacerta agilis)	wild	negative	12	[7]
Aves	great reed warbler (Acrocephalus arundinaceus)	wild	n.s.	139	[12]
	European shag (Phalacrocorax aristotelis)	wild	n.s.	204	[13]
	alpine swift (Apus melba)	wild	negative	95	[14]
	zebra finch (Taeniopygia guttata)	captive	negative	139	[15]
	jackdaw (Corvus monedula)	wild	negative	715	[16]
	common tern (Sterna hirundo)	wild	negative	142	this study
Mammalia	house mouse (Mus musculus)	captive	negative	12	[17]
	chimpanzee (Pan troglodytes)	captive	positive	40	[18]
	Soay sheep (Ovis aries)	wild	n.s.	164	[19]