1. Incubation is completed in some 17 days, and the nestlings are altricial and nidicolous . 2. The chicks are altricial and nidicolous , with both adults feeding the nestlings and fledglings. 3. The chicks are altricial and nidicolous . 4. The nestlings are altricial and nidicolous . 5. Nestlings hatch naked and with their eyes closed and stay on the nest until fledging ( nidicolous ). 6. They use the same stimuli as non-nidicolous species to identify hosts, with body heat and odors often being the main factors. 7. However, not all precocial birds leave the nest; some may stay at the nest, and are thus considered to be nidicolous . 8. Lack's studies were based on nidicolous birds and some recent studies have suggested that his findings may not hold for other groups such as seabirds. 9. Other ticks, mainly the Argasidae, are " nidicolous ", finding hosts in their nests or burrows, and in caves in the case of bats. 10. The chicks are altricial and nidicolous ; that is, they are born helpless, naked and blind, and remain in the nest for an extended period.
