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All comparisons

Black Swan vs Birb

Side-by-side comparison: trade tokens, weight scaling, ability impact and verdict. Updated April 2026 with verified data from growagardencalculator + game.guide.

Black Swan — Grow a Garden mythical pet
Mythical · Tier S+
Black Swan
WIN
Hatch
112.5Kt
Mid
484.09Kt
Max
10Mt
Dark Plume: Boosts mutation odds and pet trade demand.
Birb — Grow a Garden prismatic pet
Prismatic · Tier S+
Birb
Hatch
40t
Mid
952t
Max
75Kt
Soaring Splendor: Boosts mutation chance on tall crops.
Verdict (mid-weight)
Black Swan wins
At mid-weight, Black Swan delivers 484,091 tokens vs 952 for Birb ( +50750%). But ability fit, demand and current market trends matter — run the full WFL Calculator with your actual weight + mutation before deciding.

Stat-by-stat breakdown

StatBlack SwanBirbWinner
RarityMythicalPrismatic
TierS+S+
SourcePet ShopPet Shop
Hatch weight4.5 kg1 kg
Max weight114 kg114 kgtie
Tokens @ hatch112,50040A
Tokens @ mid weight484,091952A
Tokens @ max weight10,000,00075,000A
Data sourceverifiedverified

Ability head-to-head

Black Swan
Dark Plume

Boosts mutation odds and pet trade demand.

Birb
Soaring Splendor

Boosts mutation chance on tall crops.

Black Swan vs Birb — full breakdown

Black Swan (Mythical, tier S+) and Birb (Prismatic, tier S+) are both popular trades in Grow a Garden. Black Swan is sourced from Pet Shop, while Birb comes from Pet Shop. At typical trade weight (mid-weight), Black Swan commands roughly 50750% more tokens than Birb.

When to pick Black Swan

When to pick Birb

FAQs

Is Black Swan better than Birb?
Mid-weight: Black Swan wins with 484,091 tokens vs 952. At max weight: Black Swan. Best pick depends on your trade context.
What is Black Swan's trade value?
Black Swan (Mythical, tier S+): 112,500 tokens at hatch (4.5 kg), 484,091 at mid-weight, 10,000,000 at max (114 kg). Ability: Boosts mutation odds and pet trade demand.
What is Birb's trade value?
Birb (Prismatic, tier S+): 40 tokens at hatch (1 kg), 952 at mid-weight, 75,000 at max (114 kg). Ability: Boosts mutation chance on tall crops.
Should I trade Black Swan for Birb?
Run the WFL Calculator with both pets at their actual weights and any mutations. Base verdict: Black Swan has the edge at typical trade weight. Demand and mutation availability also matter — see the Trade Strategy guide.
Are these values updated?
Yes — datapoints from growagardencalculator.com Supabase backend, cross-verified against game.guide. Updated within 24h of any patch. See the Methodology page for the verification pipeline.

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