Abstract: In one embodiment, a method includes accessing sensor data captured by sensors, wherein the sensor data is associated with a first pet, detecting activities of the first pet within a specified time period based on the sensor data, determining health indicators of the first pet based on one or more of the activities, wherein the health indicators are based on metrics associated with the one or more activities, generating a wellness assessment of the first pet based on the health indicators, wherein the wellness assessment comprises one or more of a wellness score or an alert of a possible medical condition, and sending instructions to a user device for presenting the wellness assessment of the first pet to a user.