ground-nesting
| bee
| ground nesting | |
| forestr. | nidification au sol |
| bee | |
| agric. | abeille |
| environ. | abeille |
| nat.res. agric. | apicole |
| bees | |
| environ. | abeille |
| nat.sc. agric. | apidés |
| |||
| nidification au sol | |||
|
ground-nesting : 2 phrases in 2 subjects |
| Beekeeping | 1 |
| Natural sciences | 1 |