General facts
Photo: adult male Kilombero Weaver (by Paul Oliver)
| Fact | Species | Record |
| Most numerous land bird | Red-billed Quelea | about 1500 million birds |
| Most recently discovered weaver | Kilombero Weaver | 1990 |
| Longest tailed weaver | male Long-tailed Widow | 319-411-499 mm |
| Eye colour | Mostly red, pale (cream to white) or brown | Rufous-tailed Weaver: bluish-white |
Breeding facts
Photo: Sociable Weaver nest
| Largest nest | Sociable Weaver | up to 7m diameter, weight up to 1 ton |
| Most finely woven nest | Cassin's Malimbe | Collias & Collias 1998, Wilson Bulletin 110(1):28-44 |
| Fact | Species | Record |
| Smallest weaver egg | Scaly-feathered Finch | 15.7 x 11.3 mm |
| Largest weaver egg | Red-billed Buffalo-Weaver | 28.3 x 19.9 mm |
| Egg colours | usu white, cream, blue or greenish plain or marked | 2 unusual types: Bob-tailed Weaver: dark grey S Brown-throated Weaver: dark chocolate-brown (some) |
Ringing facts
Red-billed Quelea movement
| Fact | Species | Record |
| Furthest movement by a weaver | Red-billed Quelea | 2544 km, ring AE10821 |
| Oldest weaver in the wild | Southern Masked Weaver | 15y 4m 13d, ring BB75791 |
| Most ringed weaver | Red-billed Quelea | 136698 (1948-2012) |
| Most reported weaver | White-browed Sparrow-Weaver | 25x, ring 4H39154 |
| More longevity records | see here |