unsure of spider

unsure of spider

Observation - unsure of spider . Description: If this is a nursery web spider why is it on a web and is it a food parcel in the righthand edge of the photo. Could it be on the web of another spider?

If this is a nursery web spider why is it on a web and is it a food parcel in the righthand edge of the photo. Could it be on the web of another spider?