One clip names both of them

1,538 views between them.

Grey Heron outweighs Great Egret 1.7× — 1.4 kg against 0.9 kg.

Tale of the tape

Body mass

0.87 kg

🦩 Great Egret · AVONET

1.44 kg

🐦 Grey Heron · AVONET

Maximum lifespan

23 yr

🦩 Great Egret · AnAge

38 yr

🐦 Grey Heron · AnAge

Bars are sized against the larger of the two figures.

カメラがとらえた動物たち

このサイトに登場する動物の実際の映像——狩り、けんか、そしてふだんの暮らしぶりまでそろっています。

Shared ancestry

The closest group they share is Ardeidae (family), home to 120 species.

We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.