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Birb — Value & Calculator
Soaring Splendor: Boosts mutation chance on tall crops.
Tokens @ 1kg
40
Hatch wt
1 kg
Max wt
114 kg
Tier
S+
Verification & Sources
- Verified by
- GAG Calc Team
- Last update
- Birb data source
- Verified datapoints
- Cross-source verified
- 3 sources
- Formula accuracy
- ±2%
- Methodology
- Read
Calculate Birb value
Soaring Splendor: Boosts mutation chance on tall crops.
Trade value scales with weight only — community calculators (game.guide, tradekitsune, growagardencalculator) all ignore age.
Auto-fill weight from age (optional)
1.00×
Trade Tokens
40
@ 1.00 kg
Datapoints (verified)
Birb tokens at key weights
No mutation, no demand bonus. Use the calculator above for custom inputs.
At hatch
40
tokens
1 kg · just hatched
Mid-weight
952
tokens
~57.5 kg · typical reference
At max
75,000
tokens
114 kg · fully grown
9 datapoints cross-verified from community trade data (game.guide, growagardencalculator, tradekitsune). Values between datapoints use simple linear interpolation (matches industry standard). See methodology.
Birb value-by-weight curve
9 datapoints · linear interpolation. Markers show exact value at each weight.
Value curve Verified datapoint Hatch weight
Recent Birb updates
value$3.2M→ $3.5M
+9%tierS→ S+
value$3.1M→ $3.2M
+3%value$3.4M→ $3.1M
-8%Full changelog: /changelog
Birb tokens by mutation (weight 80.1 kg)
| Mutation | Mult | Mutation Machine % | Tokens | Gain vs none |
|---|---|---|---|---|
| None (baseline) | 1× | — | 8,040 | — |
| Ascended | 5× | 0.32% | 40,200 | +32,160 |
| Rainbow | 2.5× | 3.22% | 20,100 | +12,060 |
| Radiant | 1.6× | 3.22% | 12,864 | +4,824 |
| Shocked | 1.6× | 3.22% | 12,864 | +4,824 |
| Golden | 1.5× | 6.43% | 12,060 | +4,020 |
| Tiny | 1.4× | 6.43% | 11,256 | +3,216 |
| Mega | 1.4× | 6.43% | 11,256 | +3,216 |
| Inverted | 1.3× | 16.08% | 10,452 | +2,412 |
| IronSkin | 1.25× | 3.22% | 10,050 | +2,010 |
| Shiny | 1.15× | 32.15% | 9,246 | +1,206 |
| Windy | 1.1× | 9.65% | 8,844 | +804 |
| Frozen | 1.1× | 9.65% | 8,844 | +804 |
💡 Best mutation = Ascended (5×) but only 0.32% from Mutation Machine. Rainbow (2.5×, 3.22%) often the better practical target.
Birb weight by age
Predicted weight (kg) at each age milestone, from hatch weight 1 kg.
| Age | Weight | Multiplier |
|---|---|---|
| Age 1 | 1.00 kg | ×1.00 |
| Age 5 | 1.36 kg | ×1.36 |
| Age 10 | 1.82 kg | ×1.82 |
| Age 25 | 3.18 kg | ×3.18 |
| Age 50 | 5.45 kg | ×5.45 |
| Age 75 | 7.73 kg | ×7.73 |
| Age 100 | 10.00 kg | ×10.00 |
| Age 125 | 12.27 kg | ×12.27 |
How to get Birb
Birb comes from Pet Shop.
To maximize your odds: stack hatch helpers (use the egg hatch calculator), then level your pet with XP planner.
Trading Birb
Always check the WFL Calculator before trading. Pet trade value is sensitive to weight, age and mutation — a fresh-hatched Birb is worth far less than a max-age, Rainbow-mutated one.
FAQ
What is Birb in Grow a Garden?
Birb is a Prismatic-tier pet from Pet Shop. Its ability "Soaring Splendor" — Boosts mutation chance on tall crops.
What is Birb's base trade value?
Around 40 Trade Tokens at hatch weight (1 kg), no mutation. Heavier pets fetch much more — up to 75,000 tokens at max weight (114 kg).
How do I get Birb?
Source: Pet Shop.
What is Birb's max weight?
114 kg.
Related pets & alternatives
Sources: Birb data is cross-verified against the Grow a Garden Fandom Wiki, community trade submissions sent to [email protected], and in-game testing by the GAG Calc team. See our methodology for the verification pipeline.