Skeletal Terrorbird in Steal An Egg

Secret · wiki data synced Oct 24, 2026

Skeletal Egg in Steal An Egg — Skeletal Egg

Skeletal Terrorbird is a Secret pet that earns $750M/s at its base size of 6,000 kg. It comes from the Skeletal Egg, inside the Skeletal Egg. The wiki lists no spawn chance for it.

It is #47 of 236 pets by base income, and #6 of 10 in Skeletal Egg.

Rarity: Secret
Base income: $750M/s
Base size: 6,000 kg
Source: Skeletal Egg
Egg: Skeletal Egg

How to get Skeletal Terrorbird

Skeletal Terrorbird does not spawn in a normal zone nest. It comes from the Skeletal Egg, inside the Skeletal Egg. The wiki has no spawn chance for it yet, so we don't show one.

Skeletal Terrorbird value by size and mutation

Income grows with weight but slows down past 125× the base size. These are the wiki's formula at three sizes:

Size	Normal	Golden ×2.5	Rainbow ×3.5
6,000 kg (base)	$750M/s	$1.88B/s	$2.63B/s
60,000 kg	$3.1B/s	$7.76B/s	$10.9B/s
600,000 kg	$12.8B/s	$32.1B/s	$44.9B/s

Work out your own Skeletal Terrorbird: open it in the income calculator. All multipliers are on the mutations page.

How Skeletal Terrorbird compares

By base income Skeletal Terrorbird is #47 of 236 overall and #6 of 41 Secret pets. Just above it: Shattered Drake ($800M/s); just below: Starry Fox ($750M/s).

Variants: Terrorbird ($110K/s). Variants are separate pets with their own income, not a multiplier.

Other pets in Skeletal Egg

Pet	Rarity	Base $/s	Drop chance
Skeletal Sabertooth	Divine	$9B/s	—
Skeletal Gigantus	Eternal	$4B/s	—
Skeletal Dunkleosteus	Eternal	$2.5B/s	—
Gigantus	Eternal	$1B/s	—
Skeletal Giant Sloth	Secret	$900M/s	—
Skeletal Terrorbird	Secret	$750M/s	—
Skeletal Glyptodon	Secret	$550M/s	—
Dunkleosteus	Secret	$300M/s	—
Giant Sloth	Cosmic	$4M/s	—
Terrorbird	Mythic	$110K/s	—

Source: Skeletal Terrorbird on the Steal An Egg Wiki (CC BY-SA). First listed on the wiki Sep 27, 2026, during the Dr. Scramble’s Revenge week. Synced Oct 24, 2026.