Wolf tracking for nine days in Poland costs £1,050pp with Wildlife Worldwide (020 8667 9158). On walking trails you will look for tracks and learn about the animals' habitat. Flights, most meals, hotel accommodation and guided activities are included in the price. The best time of year to see the wolves is between January and March (prices are for 2005 departures).

Mix conservation and culture on a nine-day trip to the Carpathian Mountains in Romania with Exodus (020 8675 5550) for £759pp. This unusual active holiday is a blend of walking, culture and wildlife and is designed to support a conservation initiative backed by the World Wildlife Fund. Guided walks will be split between wildlife tracking and visiting local places of interest such as Dracula's Castle. The price includes flights and full-board accommodation with departures May-October.

You won't find Yogi Bear, but you might find some grey wolves in Yellowstone Park, US, where many of them live. Wildlife Worldwide (020 8667 9158) offers a nine-day holiday for £2,995 pp and your chance to catch sight of one of these extraordinary creatures. You will explore snow-capped mountain and valleys and can take part in other winter activities too. The price includes flights from London Heathrow, meals, transfers and guided activities. Departures are December - January (prices are for 2005).

Animal crackers? Then join the wolves and bears of Slovakia in a conservation holiday with BTCV (the British Trust for Conservation Volunteers 01302 572244) for £679pp excluding flights. The eight-day holiday will include two different work activities, observing animal behaviour and monitoring predator-prey relationships. Food and accommodation are included. Departs 8 May and 12 June.

Explore Scandinavian wolf territory with Discovery Initiatives (01285 643333) and find an alternative to the usual winter ski holiday. On cross-country skis you can track wolves, lynx and other wildlife in the snow-covered regions of central Sweden, over a long weekend. The trip costs £995 pp for winter 2004/05 and includes return flights from London Heathrow, full-board accommodation and all ski equipment. Ideally you will already have some ski experience.