Understanding and application

Why is the adjective feminine singular in الْبَهَائِمِ الْمُعْجَمَةِ?

Preserving the Qur'an, Prayer Etiquette, Rights, and Taqwa (Hadith 162–168)

• That is a standard agreement pattern for non-human plurals
• It proves every animal is female
• It is a past-tense verb
• Al-bahāʾim is singular masculine