Est.	SE	t	p	ci.lb	ci.ub
(a) Random‐effects models, no sensitivity analysis
Random effects—all taxa	−0.23	0.15	−1.54	.13	−0.52	0.06
Mammals	−0.59	0.61	−0.96	.34	−1.80	0.63
Birds	−0.05	0.09	−0.48	.63	−0.23	0.14
Turtles	0.04	0.09	0.49	.63	−0.14	0.22
Squamates	−0.40	0.83	−0.48	.63	−2.03	1.23
(b) Random‐effects models with robust variance estimation
Random effects—all taxa (48 clusters)	−0.23	0.09	−2.40	.02	−0.42	−0.04
Mammals (9 clusters)	−0.59	0.49	−1.21	.26	−1.71	0.53
Birds (17 clusters)	−0.05	0.06	−0.82	.43	−0.16	0.07
Turtles (2 clusters)	0.04	0.03	1.47	.38	−0.32	0.41
Squamates (20 clusters)	−0.40	0.33	−1.23	.23	−1.08	0.28