Black-headed jay vs Eurasian jay
The Eurasian jay is heavier: 159.5 g against 97.7 g for the black-headed jay, about 63% more.

Photo: ChanduBandi · CC BY-SA 3.0 · Wikimedia Commons

Photo: Luc Viatour · CC BY-SA 3.0 · Wikimedia Commons
What is the difference between a black-headed jay and a Eurasian jay?
Each point below is worked out from a pair of recorded values.
- The Eurasian jay is heavier: 159.5 g against 97.7 g for the black-headed jay, about 63% more.
- Both belong to the genus Garrulus, so they are close relatives.
- Both are listed as Least Concern on the IUCN Red List.
Side by side
| Black-headed jay | Eurasian jay | |
|---|---|---|
| Scientific name | Garrulus lanceolatus | Garrulus glandarius |
| Family | Corvidae | Corvidae |
| Order | Passeriformes | Passeriformes |
| Weight | 95 g – 99.8 g | 155 g – 166.1 g |
| Length | Not recorded | Not recorded |
| Lifespan | Not recorded | 17 years |
| Main food | Not recorded | Not recorded |
| Habitat | forest | forest |
| Conservation status | Least Concern | Least Concern |
| Countries recorded | Not recorded | Not recorded |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.
Full record: Black-headed jayFull record: Eurasian jayCompare other animals