Spring arrived in New York City almost unnoticed amid empty streets and shuttered restaurants. But the ecosystem of the city stops for no virus. Buds still bloom along brownstone-lined blocks and kitten season is still upon us, marking the yearly arrival of thousands of stray newbornsin New York. With the ASPCA and the Animal Care Centers of NYC (ACC) offering only emergency services due to Covid-19, smaller volunteer-run rescue groups find themselves knee-deep in cats.