Gardener cleaning paddy fields in Swarg ashram, Rishikesh, Uttaranchal, India, Asia

Adult humpback whale (Megaptera novaeangliae), with killer whale rake marks, Los Islotes, Baja California Sur, Mexico, North America

Orca (Orcinus orca) swimming up showing rake marks from another killer whale. Akaroa, New Zealand.

False-killer whale (Pseudorca crassidens) surfacing off Isla San Esteban in the midriff region of the Gulf of California (Sea of Cortez), Mexico

Humpback Whale (Megaptera novaeangliae) fluke-up dive (note the Orca tooth rake marks on the right side of the tail) in Icy Strait, Southeast Alaska, USA.

Adult Sperm Whale bull (Physeter macrocephalus) surfacing (note tooth rake marks on melon) in the upper Gulf of California (Sea of Cortez), Mexico.

Common dolphin (Delphinus delphis) showing a large number of rake marks on its back inflicted by the teeth of other common dolphins. Hebrides, West coast of Scotland.

Landscapers clearing weeds in a home garden

Landscapers clearing weeds and emptying them into a truck

Landscaper with an electric weed trimmer and ear protectors

Landscapers raking and removing weeds