Limitations of Linear Regression Applied on Ecological Data; Things are not Always Linear; Additive Modelling; Dealing with Heterogeneity; Mixed Effects Modelling for Nested Data; Violation of Independence; Meet the Exponential Family; GLM and GAM for Count Data; GLM and GAM for Absence–Presence and Proportional Data; Zero-Truncated and Zero-Inflated Models for Count Data; Generalised Estimation Equations; GLMM and GAMM; Estimating Trends for Antarctic Birds in Relation to Climate Change; Large-Scale Impacts of Land-Use Change in a Scottish Farming Catchment; Negative Binomial GAM and GAMM to Analyse Amphibian Roadkills; Additive Mixed Modelling Applied on Deep-Sea Pelagic Bioluminescent Organisms; Additive Mixed Modelling Applied on Phytoplankton Time Series Data; Mixed Effects Modelling Applied on American Foulbrood Affecting Honey Bees Larvae; Three-Way Nested Data for Age Determination Techniques Applied to Cetaceans