| Terms for subject Ornithology (59 entries) |
| alondra (alondra común) | leeuwerik | |
| arrendajo | vlaamse gaai | |
| avestruz | struisvogel | |
| azor | havik | |
| buharro | buizerd | |
| buitre (buitre común/leonado) | gier | |
| búho chico | ransuil | |
| búho real | oehoe | |
| carbonero | mees | |
| cernícalo | torenvalk | |
| chova piquigualda | alpenkauw | |
| cigüeña | ooievaar | |
| cisnes | zwaan | |
| codorniz | kwartel | |
| corneja | kraai | |
| cuco | koekoek | |
| cuervo | raaf | |
| cárabo | bosuil | |
| estornino | spreeuw | |
| faisán | fazant |