וְהִשְׁלַחְתִּ֨י בָכֶ֜ם אֶת־חַיַּ֤ת הַשָּׂדֶה֙ וְשִׁכְּלָ֣ה אֶתְכֶ֔ם וְהִכְרִ֙יתָה֙ אֶת־בְּהֶמְתְּכֶ֔ם וְהִמְעִ֖יטָה אֶתְכֶ֑ם וְנָשַׁ֖מּוּ דַּרְכֵיכֶֽם׃
And I will send the beast of the field among you, which shall rob you of your children, and destroy your cattle, and make you few in number; and your ways shall become desolate.
Or HaChaim on Leviticus
חית השדה. "the wild beasts of the field." Inasmuch as the Israelites were guilty of behaving like animals they in turn will be afflicted by animals.
Siftei Chakhamim
An expression of inciting. Because [the other meaning of והשלחתי] “sending on a mission” only applies to [a human] who has intellect.