Modifiers matching grassland:

• temperate,
• agricultural,
• natural,
• open,
• wet,
• rough,
• arid,
• upland,

Simple categories matching upland:

• shrub,
• passerine,
• feature,
• bird,
• game,
• crop,
• wader,
• area,
• raptor,
• site,
• space,
• location,
• community,
• cover,
• mammal,
• grassland,
• vegetation,
• development,
• species,