Secret

Skeletal Terrorbird

Skeletal Terrorbird is a Secret Steal An Egg pet with a base income of $750M/s. It is a Skeletal version: each Extinction Egg hatch has a 1% chance to give one.

Base income: $750M/s
Base weight: Unknown
Rarity: Secret
Origin: Skeletal version (1% chance)
Availability: Limited1% chance when hatching an Extinction Egg
Release: Update 6 (September 26, 2026)
Rarity score: 1,024as rare as 1,024 Common pets (Secret, x2 because it is limited, x4 because it is a Skeletal version (1 in 100))

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How much does your Skeletal Terrorbird make?

Enter its weight in kg (the one on its card, or the one shown on its egg before it hatches: it is the same) and its mutations. Its base weight is not known yet: only the mutation effect is calculated.

Income by mutation

Mutation	Bonus	Income (base weight)
No mutation	x1	$750M/s
Rainbow	x3.5	$2.63B/s
Parasite	x3	$2.25B/s
Fractured	x2.75	$2.06B/s
Scrambled	x2.75	$2.06B/s
Golden	x2.5	$1.88B/s
Spirit Bloom	x2.5	$1.88B/s
Bloom	x1.25	$938M/s
Silver	x1.2	$900M/s
Golden + Rainbow (stacked)	x5	$3.75B/s

What is Skeletal Terrorbird worth?

Skeletal Terrorbird's money value is $750M/s at base weight with no mutation, and its rarity score is 1,024 (limited). A mutation multiplies that value, up to $2.63B/s with Rainbow (x3.5); several mutations add up, and a heavier Skeletal Terrorbird is worth more.

Pets worth about the same: Eyeball Crab ($825M/s), Shattered Drake ($800M/s), Terra Snapper ($750M/s), Mecha Crocodon ($680M/s).

There is no official value list: for a real offer, put it in the trade calculator, which tells you if the trade is a win, fair or a loss (W/F/L). Every pet's value: the value list.

Other Skeletal versions

DivineLimited

Skeletal Terrorbird

How much does your Skeletal Terrorbird make?

Income by mutation

What is Skeletal Terrorbird worth?

Other Skeletal versions

Skeletal Sabertooth

Skeletal Gigantus

Skeletal Dunkleosteus

Skeletal Giant Sloth

Skeletal Glyptodon